Received an email purporting to be from a company in the UK midlands last Tuesday. In a moment of absent mindedness I clicked the attached 'invoice.doc. Well OF COURSE it was fake. OF COURSE I shouldn't have clicked the attachment (but then again I WAS expecting something relating to the ebay purchases). My Malwarebites Antimalware flagged up nothing
Actually Ant... it was probably malware (unless it was phishing wanting your bank details ?)
I received a series of those a few weeks ago... Malwarebytes and the other freebie AV companies were slowest to get new definitions out.
If you've still got the file, upload it to VirusTotal and see what it says there.... if the file has been doing the rounds a few days then there will likely be at least a few AV vendors who've got it listed.
If its a new one, you might have been one of the first lucky recipients.