PDF malware analysis — malicious · bd69920c37209b6d

MALICIOUS

PDF

2.7 KB Created: 6055-01-01 Authoring application: 9927

MD5: e3a6daa32fe80c919d9f6fa2cad42358 SHA-1: 932355d7b3d8ed2dc65375184add524a50e8a848 SHA-256: bd69920c37209b6dbf241b805a5bfaa1ea46247d94af466a3396f071953c3c93

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file was flagged as malicious by multiple engines, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36014'. Static analysis revealed embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics, and a suspicious extracted JavaScript file. The ML classifier also provided a very high confidence score for maliciousness. The primary attack pattern involves exploiting PDF vulnerabilities to run embedded JavaScript, likely to download and execute a secondary payload.

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` `b9e08c8f08fe6123eef211cddbe7ca629090bfef18786683e74255c448420ded`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4816 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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