There are any number of neo-Nazi sites they could be getting that from. I won't pollute the board by linking them, but if you Google on "Fred Silverman Jewish media" you'll see what I mean.
Interesting how the language used is clearly someone who is not now, nor at any time, lived in the US or a Western country.
This is clearly a posting from an uneducated person from the Middle East.
So to me, it is just another call to arms from someone who has no power to carry out anything.