Beware of PDF spam

If you receive an e-mail message with only a PDF file attached, don't open it. PDF spam, as it's known, is just the latest gimmick that junk e-mail senders are using to get you to read their come-ons. These spammers use enticing subject lines to make you curious about what the PDF file contains. Typically, it contains the same stock tips, get-rich-quick schemes or miracle hair growth cures that spammers have sent for over a decade. - dpa