These emails have a malicious payload designed to infect your Windows computers. The emails claim to be from 123greetings, a legitimate and well-known ecard website. However, the bad guys have forged the headers in this email in an attempt to trick you into clicking on the attachment. Read more in this article on the Naked Security website: http://www.nakedsecurity.com/sophosLabs.org/sophenge.com. Follow Graham Cluley on Twitter to read more of the exclusive content we post.”]
Source: https://grahamcluley.com/ive-just-received-a-malicious-christmas-card-in-june/