Cfpdf don't generate correct thumbnails of CMYK files after installing CF 10 update 1

Hi,
We have been using cfpdf to generate a thumbnail from a 1-page PDF file since years, first with CF 8, and now with CF 10. It runs smoothly until yesterday, when we applied the Update 1 (can't assure that there is a correllation, but it's the only thing that has changed: we used the same program to generate the PDFs, and no other changes has been made on the server side).
Since the update, thumbnail are generated, but almost all text and images are wiped.
This is what was generated before the update:
And this is what we get now:
The code we use is like this:
<cfpdf action="thumbnail" destination="." source="portada.pdf" pages="1" scale="30" format="jpeg" resolution="high" overwrite="Yes">
You can get the PDF here (not the same that the above images, but created exactly in the same way).
PDF file are created with Acrobat Distiller 7.0.5, and have version 1.6 (Acrobat 7.x). Color are in CMYK mode.
If I convert the CMYK colours of the PDF file to RGB, then cfpdf generates the thumbnail, but with weird colours. Alas, in production we can't send RGB PDFs to generate the thumbnails.
We have checked with simpler PDFs created with OpenOffice.org 3.2 (version 1.4 Acrobat 5.x), and Acrobat Distiller 9.0.0 (version 1.5 Acrobat 6.x), both of them with RGB colours, and with those cfpdf worked fine and generate a correct image.
We have CF10 Standard Edition deployed on a virtual machine over CentOS 6.3 64 bits, and although I know CentOS is not officially suportted, I would really appreciate if somebody could reproduce this behaviour over any officially supported Linux enviroment. I've tried on Windows 7 64 bits with the Developer Edition, and cfpdf works as expected, with and without the CF 10 upgrade.
Thanks in advance,
Message was edited by: Ernesto RA

After some time, I found answer how I can repair my MacBook Pro 13" (mid 2010). As I was writing early - Mac Os X update SMC 1.6 broke my computer.
This is a link on repair instructions: http://habrahabr.ru/sandbox/67092/
As a result I write this post on my old (but working) MacBook Pro.

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