PDF malware analysis — malicious · d267368976b202da

MALICIOUS

PDF

2.7 KB Created: 5424-01-01 Authoring application: 336

MD5: e532bd6a9b88368629e3baa99e418108 SHA-1: 9cbe352465418177190163fb689dc770359c2e38 SHA-256: d267368976b202da4ffa422532061210dfa0f735db9c277cc34efe66c3fcbea2

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 Scripting: JavaScript

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating it contains an exploit. Heuristics indicate the presence of embedded JavaScript, which is further confirmed by the extracted artifact 'javascript_obj0013_001.js'. This JavaScript is likely responsible for executing the malicious payload, potentially downloading further stages or exploiting vulnerabilities within the PDF reader.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
Suspicious extracted artifact medium 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.
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_001.js` `e9f6d18ee9a94db5a837e0e33861c3d260faf03e59bfaac765b75d294678ddfb`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4801 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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