PDF malware analysis — malicious · 4a75ebe9c990b713

MALICIOUS

PDF

2.7 KB Created: 1724-01-01 Authoring application: 2102

MD5: e3d9305810e3c1e76023e177ed190dc5 SHA-1: 2df9aff7249571ffb6dad77e2779245e79858c8c SHA-256: 4a75ebe9c990b7138adad3c5b4a16b926654aafc650a53be71cd5cfa0f6de5fe

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, indicating it contains an exploit. Embedded JavaScript streams were detected, and a suspicious JavaScript file was extracted. The ML classifier output of 0.999994 strongly suggests malicious intent. The extracted JavaScript file, 'javascript_obj0013_001.js', is the primary indicator of the attack vector.

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` `e992a21b86ba8a8854c55a621ab8c038357804cb37840c0ffbdc7fef9196a04e`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4795 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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