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The last few months have seen a big increase in malware attacks using PDF email attachments, according to security firm SonicWall.
"Increasingly, email, Office documents and now PDFs are the vehicle of choice for malware and fraud in the cyber landscape," said the outfit's Bill Conner.
Nothing - Course - Attacks - Users - Links
There's nothing new in this, of course, but many recent attacks have relied on getting users to click links in emails leading to infected webpages instead of requiring them to open an attachment, as was traditional.
In many cases, targeted PDFs use zero-day exploits for browsers in order to increase the probability of a successful attack as on-the-ball businesses now patch their systems more quickly to protect against known exploits. Other attacks have been known to nick login details by tricking the user into opening malicious PDFs that use remote document loading mechanisms to capture and leak your credentials.
Infosec - Firm - Sandbox - Products - Attack
The infosec firm said its sandbox products had found 47,000 new attack variants using PDF attachments last year. This year they have detected over 73,000 new attacks in March alone – and more than 173,000 new variants altogether in the first quarter of...
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