In case you aren't up on your Jew-'liminationist imagery, Walid Shoebat explains that that's
a Hamas scarf (keffiyeh) that bears a well-known Palestinian slogan - 'Jerusalem is ours - WE ARE COMING!' It also includes a map of Palestine that says, 'From the River to the Sea!' In other words, Malik is saying, THERE IS NO ISRAEL.
Charming fellow. And, when it comes to brothers-of-presidents, a category that has included more than a few rogues and ne'er-do-wells, he makes a Billy Carter look classy, wise and sober in comparison.