There's a lot of talk about targeted attacks against defense contractors.
These attacks are still continuing.
We found this sample last week (md5: f393f34f268ddff34521d136e5555752).
It's a PDF file, apparently sent to an employee of a targeted company as an email attachment.
After this, a decoy PDF file is shown to the end user. The decoy is a call for papers for 2012 AIAA Strategic and Tactical Missile Systems Conference, which is a US conference classified as SECRET: