Beware if you receive a file purporting to be an Olympics-themed PDF. It may actually be malware.
That's the warning, at least, from F-Secure, a Helsinki-based security firm. F-Secure warns that the PDF, which is supposed to be a copy of the 2012 Olympic schedule, is a decoy file.
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Once downloaded, the file (see image below) attempts to make a network connection to a "student travel" site in Baotoushi, China. The download exploits weaknesses in old versions of Adobe Reader and Acrobat.
F-Secure warns to be wary of any Olympic-themed emails and attachments or of any that are themed to current events. The firm also suggests downloading the current version of Adobe Reader.
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This story originally published on Mashable here.