Adobe Reader XI crashes reading watermarked files (Mac OS X Mountain Lion)

Adobe Reader 11.0.06
Mac OS X 10.8.5
I own several of the old Marvel Comics licensed DVD-ROM sets, which use watermarked PDFs for copyright protection (I own and still have physical access to the actual DVDs).
I can open these in Adobe Reader XI just fine, and the first pages display without the watermark, but it won't get more than a few pages in before crashing. I cannot detect a particular pattern to when it crashes, but I can't get through a single story :-(
Has anyone gotten watermarked files to work in Reader XI? I have been able to download Reader 9 and it still seems to work, but clearly staying on a many-years-old software release is not a sustainable solution (I have no idea if it will still work if I upgrade to Mavericks, for instance).

I'm not sure. Depending on which DVD I'm looking at they require either Reader 6.0 or 7.0 to avoid showing the watermark. The readme files don't say anything specific about DRM, just the watermark and the minimum version requirements. They work fine offline. And they're totally openable/readable in Preview, there's just a MARVEL watermark across the middle that's just annoying enough to be distracting.
Looking at one of them in Reader 9, under security I see the following in case it helps:
Allowed: Printing; Content Copying for Accessibility
Not Allowed: Document Assembly; Content Copying; Page Extraction; Commenting; Filling of form fields; Signing; Creation of Template Pages
thanks for the reply!

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0xffffff8556cab9e0 : 0xffffff800b51c09c
0xffffff8556cabc10 : 0xffffff800b510e92
0xffffff8556cabc40 : 0xffffff800b4ff375
0xffffff8556cabf50 : 0xffffff800b7e182a
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Darwin Kernel Version 12.2.0: Sat Aug 25 00:48:52 PDT 2012; root:xnu-2050.18.24~1/RELEASE_X86_64
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last unloaded kext at 127467947009: com.apple.driver.AppleIntel8254XEthernet          3.1.1b1 (addr 0xffffff7f8bf8d000, size 69632)
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com.zeobit.kext.Firewall          2.3.1
com.apple.filesystems.smbfs          1.8
com.apple.driver.AppleIntelProfile          97
com.apple.driver.AppleBluetoothMultitouch          75.15
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.filesystems.autofs          3.0
com.apple.driver.AudioAUUC          1.60
com.apple.iokit.IOBluetoothSerialManager          4.0.9f33
com.apple.driver.AGPM          100.12.69
com.apple.driver.AppleTyMCEDriver          1.0.2d2
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AppleUpstreamUserClient          3.5.10
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.kext.AMDFramebuffer          8.0.0
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.driver.AppleHDA          2.3.1f2
com.apple.AMDRadeonAccelerator          1.0.0
com.apple.driver.AppleMikeyDriver          2.3.1f2
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport          4.0.9f33
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.ApplePolicyControl          3.2.11
com.apple.driver.AppleLPC          1.6.0
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.2.2
com.apple.iokit.SCSITaskUserClient          3.5.1
com.apple.driver.AppleFWOHCI          4.9.6
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.driver.AppleUSBHub          5.2.5
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.driver.AirPort.Brcm4331          602.15.22
com.apple.driver.Intel82574L          2.3.0b4
com.apple.BootCache          34
com.apple.driver.AppleAHCIPort          2.4.1
com.apple.driver.AppleUSBEHCI          5.4.0
com.apple.driver.AppleUSBUHCI          5.2.5
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.7
com.apple.driver.AppleACPIButtons          1.6
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.6
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          196.0.0
com.apple.nke.applicationfirewall          4.0.39
com.apple.security.quarantine          2
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com.apple.driver.AppleProfileTimestampAction          97
com.apple.driver.AppleProfileThreadInfoAction          97
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com.apple.driver.AppleProfileCallstackAction          97
com.apple.iokit.AppleProfileFamily          97
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com.apple.driver.AppleMultitouchDriver          235.28
com.apple.kext.triggers          1.0
com.apple.iokit.IOSerialFamily          10.0.6
com.apple.driver.AppleUSBAudio          2.9.0f6
com.apple.driver.DspFuncLib          2.3.1f2
com.apple.iokit.IOAudioFamily          1.8.9fc10
com.apple.kext.OSvKernDSPLib          1.6
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com.apple.iokit.IOAcceleratorFamily          19.0.26
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport          4.0.9f33
com.apple.iokit.IOBluetoothFamily          4.0.9f33
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.kext.AMD5000Controller          8.0.0
com.apple.kext.AMDSupport          8.0.0
com.apple.driver.AppleGraphicsControl          3.2.11
com.apple.iokit.IONDRVSupport          2.3.5
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleHDAController          2.3.1f2
com.apple.iokit.IOGraphicsFamily          2.3.5
com.apple.iokit.IOHDAFamily          2.3.1f2
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.driver.AppleSMC          3.1.4d2
com.apple.driver.IOPlatformPluginLegacy          1.0.0
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com.apple.driver.AppleUSBHIDKeyboard          165.5
com.apple.driver.AppleHIDKeyboard          165.5
com.apple.iokit.IOUSBHIDDriver          5.2.5
com.apple.driver.AppleUSBMergeNub          5.2.5
com.apple.driver.AppleUSBComposite          5.2.5
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.1
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com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
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com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.1
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com.apple.iokit.IO80211Family          500.15
com.apple.iokit.IOUSBUserClient          5.2.5
com.apple.iokit.IONetworkingFamily          3.0
com.apple.iokit.IOAHCIFamily          2.2.1
com.apple.iokit.IOUSBFamily          5.4.0
com.apple.driver.AppleEFIRuntime          1.6.1
com.apple.iokit.IOHIDFamily          1.8.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          220
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