Upgrade your PDF reader (don’t say we didn’t warn you).
2007 January 4
News is just out that this is a major security hole in Acrobat reader (what you normally use to open PDF Files). Most people are currently using version 7 or earlier (the version affected). Upgrading to version 8 appears to solve the problem.
Brian Honan has more details with a full writeup at Symantec.
