This stuff gets better and better;

Adobe’s representatives can contact me from the usual place. My advise for you is not to open any PDF files (locally or remotely). Other PDF viewers might be vulnerable too. The issues was verified on Windows XP SP2 with the latest Adobe Reader 8.1, although previous versions are also affected.

This was how GNUCitizen closed his post. So apparently there seems to be a defect in Adobe Reader 8.1 on XP SP2 (Verified by him). Read More [...]