Spam as PDF attachments

Unsurprisingly, spammers have a new trick up their sleeves for email garbage.

I get very little spam that I actually notice. So no wonder the fact that spammers are sending spam with PDF attachments aiming to fool content filters, since imagespam isn't working and filters have found ways around it.

It probably won't last. The only way to prevent the PDF file being read is to encrypt or password-protect it, which also prevents it being read by the recipient. Otherwise, the PDF format is well-known and easily opened and dissected by automated spam filters.