PDF malware analysis — malicious · 2a3bcc516a258be0

MALICIOUS

PDF

2.7 KB Created: 2656-01-01 Authoring application: 5461

MD5: dedf13c751d8a7eec988225953c53dce SHA-1: 81bcefc3836c11004b5ce060d12df7b55c8ed079 SHA-256: 2a3bcc516a258be0d109b057fe151bd6f2fedd896fa609aa524876179687ffbc

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/Shell Script Execution: JavaScript Execution

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION heuristics confirm its malicious nature, with ClamAV identifying it as Pdf.Exploit.Agent-36014. The embedded JavaScript is likely responsible for executing the malicious payload, although its specific actions are obfuscated. The EXTRACTED_FILE_STATIC_TRIAGE heuristic noted script obfuscation indicators.

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` `556c54313ae3c78cdbcb9f5751d0f1c506da3509f0f774e87a0eade544ae8304`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4756 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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