Spammers Switch to PDFs Amidst Spam Detection Improvements

"Image spam, which at the beginning of the year accounted for nearly 60 per cent of all junk email, has plummeted and now accounts for only about 15 per cent of spam." Will PDF SPAM change the way we need to detect SPAM? Will the Email providers start blocking Emails with PDF's as attachments? One thing to make sure though is to now check that your emails with attached PDF files are received.

Foiled by increasingly accurate corporate spam filters, spammers have dumped pictures for PDFs in their bulk emailings, according to the latest data from security firms.

Image spam, which at the beginning of the year accounted for nearly 60 per cent of all junk email, has plummeted and now accounts for only about 15 per cent of spam.

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