Citibank - spam example

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This Citibank spoof account notification invites recipients to click on the link, which leads to a malware. The sender address is from France. The spammer has changed the envelope-from to americanexpress@welcome.aexp.com, which is not correspond to the one from Citibank.

The email states that the recipient's file is uploaded to Dropbox and the files should be downloaded to be viewed. The downloaded PDF file is virus-infected, which would collect the user's login information and confidential data. Email is widely used as a form of business communication that the attached malware is a severe threat. Anti-Spam and anti-virus software are essential protection for your email infrastructure.