Just Five File Types Make Up 85% of All Spam Malicious Attachments

Discussion in '0-day Release' started by silversurfer, Aug 1, 2018.

  1. silversurfer

    silversurfer Malware Tester Silver Member

    F-Secure reports that spam email click rates have gone up from the 13.4% recorded in the second half of 2017 to 14.2% recorded in the first half of the year.

    With browsers and operating systems getting harder to hack via exploit kits and vulnerabilities, spam has been the safety net on which most cybercriminal operations have fallen on.

    "Of the spam samples we’ve seen over spring of 2018, 46% are dating scams, 23% are emails with malicious attachments, and 31% contain links to malicious websites," said Päivi Tynninen, Threat Intelligence Researcher at F-Secure.

    "We’ve found that just five file types make up 85% of malicious attachments," Päivi added. "They are ZIP, .DOC, .XLS, .PDF, and .7Z."

    Full Article: https://www.bleepingcomputer.com/ne...85-percent-of-all-spam-malicious-attachments/
     
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