What do I think, I don't waste time investigating c**p like this I just delete it (life's too short), usually my anti-spam program MailWasher Pro would flag it for deletion.
Any unsolicited email, from unknown origins don't even get opened, but deleted. Emails can launch a payload when opened, with the use of iframe tags or other dynamic means, so it is best not to even open them.
Never reply to unsolicited email (you end up getting more spam); never open attachments in unsolicited emails; never click links in unsolicited emails.