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Malware Sample Delivered Through UDF Image, (Wed, Apr 17th)

I found an interesting phishing email which was delivered with a malicious attachment: an UDF image (.img). UDF means “Universal Disk Format” and, as said by Wikipedia[1], is an open vendor-neutral file system for computer data storage. It has supplented the well-known ISO 9660 format (used for burning CD & DVD) that was also used in previous campaign to deliver malicious files[2].

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