PDF malware analysis — malicious · 4827d55c57c7ea7a

MALICIOUS

PDF

2.7 KB Created: 3919-01-01 Authoring application: 6704

MD5: c8fd20dfba879b22bf39f1ccb28c5f9c SHA-1: f929ca1a134a20081fd50f5095f4e28ce4fa703c SHA-256: 4827d55c57c7ea7ab9b4db8f7b63ee25de98c36167aa0466bfd9c7bc5c4010ae

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious Link

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 often used to deliver second-stage payloads or exploit vulnerabilities. The extracted JavaScript file, 'javascript_obj0013_001.js', likely contains the malicious code responsible for the exploit.

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` `6152fd0442a77b344e62305474bb4a92a3941ce3e6ba996fed46e32cdbb9d38b`	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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