[imurray]

Worth knowing about in general. In this case, it seems unlikely that Texas Instruments will be hosting malware-infested PDFs.

From the first link:

In its blog on Trojan.Pidief.E, Symantec advices users to consider disabling JavaScript in Adobe Reader

This is the case for most Reader vulnerabilities. In Linux I have moved out everything in Adobe/Reader9/Reader/intellinux/plug_ins except SearchFind.api. I only ever once had to reinstate the plugins to fill in some PDF-based form.