The article is referring to an actual PAC. The author didn't do his homework and linked JTF to this PAC. Even worse, he failed to amend the article correcting his error.
http://www.jta.org/2015/06/24/news-opinion/the-telegraph/jews-for-cruz-pac-ordered-to-change-nameUPDATE: The PAC formerly known as Jews for Cruz contacted me via Twitter to inform me a) they have changed their name to JRUZ PAC in hopes of appeasing the FEC. And b) they are not the authors of the Twitter profile Time quoted, with the memorable “in your guts, you know they’re nuts” sign-off.