Warning: Olympics themed PDF is actually malware

Security firm F-Secure has reported that a PDF claiming to be the 2012 Olympic schedule is actually a decoy file.
Once downloaded, the file attempts to make network connections to a Chinese site called Baotoushi.
The PDF exploits CVE-2010-2883, which affects older versions of Adobe Reader and Acrobat. The firm suggests downloading the current version of these programs and to be wary of any 'current event' themed e-mails that have attachments and/or links.

More info @ : F-Secure