I received this message in my junk email. So, obviously something isn't right about it to start with. The following is the break down of the major parts of the message I received.

Here is the subject of this scam email:

This email was supposedly sent by:

Here is the body of the email:

[More:]

Hey dave ,

Because of the measures taken to provide safety to our clients, your password has been changed.
You can find your new password in attached document.

Thanks,
Facebook Account Security.

If you receive an email like this, don't respond to it, or follow any links. JUST DELETE IT
Dave