PDF malware analysis — malicious · f3c60f91740e1779

MALICIOUS

PDF

2.7 KB Created: 6843-01-01 Authoring application: 8625

MD5: e329e4ac10f20fd548a659a4a50742b8 SHA-1: 498204cee78923e5ae41d5d15bcaadf07e457d10 SHA-256: f3c60f91740e1779f7adf9f28b9240192d767f7892f1901fec2f39c58a690d97

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript, named 'javascript_obj0013_001.js', is likely responsible for exploiting a PDF vulnerability to achieve code execution.

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` `ae86bfc2541496472b13aa9c481c7c34f60adedfc8e7a1d7d6e0a2207f101666`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4794 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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