There's got to be a first time for everything.
I can't say for sure of course, but I reason this is such a case. And I'm not the only one
Or maybe you did get this from someone at Petroglyph, in which case you are the victim of their joke as well. However, the fact that this hasn't been posted by Petroglyph at their own forums, also leads me to believe it's not real.
In the words of Queen: You Don't Fool Me.