MP3 spam – the new kid on the block
Spammers are back with a new trick, this time round sending messages with MP3 attachments that contain the latest pump-and-dump stock scams.
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One sample identified this morning by GFI, was a heavily distorted 30-second MP3 file. A synthetic female voice was used to promote a particular stock. This voice is distorted to avoid filtering approaches based on the file signature.
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Once again, spammers are taking advantage of the fact that the MP3 format is one of the most common in use today, another attempt at social engineering.
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GFI techies have uploaded a sample on their website, if you want to listen to it, click here.