PDF malware analysis — malicious · 3fe02bfabf840a6a

MALICIOUS

PDF

2.7 KB Created: 3859-01-01 Authoring application: 8267

MD5: 1aa3021f6f0170fe223b9e8b138b292d SHA-1: 4feb374bfa80d2c71ed9703bc3baca2fc55cd8c8 SHA-256: 3fe02bfabf840a6a6da8f8ce199703c0020626e69d3e535a39fc1aff69ab90d6

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file was flagged as malicious by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36014'. Static triage also indicated suspicious JavaScript obfuscation. The embedded JavaScript stream is likely responsible for executing the exploit, leading to the malicious verdict. The ML classifier output further reinforces the high likelihood of malicious intent.

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` `b9148dbd09827e03149ba7c1acad45b413df33208e17c76e3ce4bb0a5a2d5e62`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4753 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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