PDF malware analysis — malicious · 19c5d6c4265ae325

MALICIOUS

PDF

2.7 KB Created: 5114-01-01 Authoring application: 6152

MD5: fc29aeecd6578403e1ccc017fe20b887 SHA-1: c119fdf2029d887791cd61a33dccf363fb9bcdac SHA-256: 19c5d6c4265ae325f909153f7c6291292136e6bece21c08126dfb596348b5701

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ML classifiers and ClamAV (Pdf.Exploit.Agent-36014). Static analysis revealed embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics. The extracted JavaScript file, javascript_obj0013_001.js, shows signs of obfuscation and hex escape sequences, suggesting it's designed to exploit a vulnerability or download a second-stage payload. The ML_NYX_PDF_MALICIOUS score of 0.999994 further supports the malicious nature of the document.

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` `981c38afed5d440723f846d453c61f4c80dad25a434343f5074e58495b64ec7c`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4798 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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