PDF malware analysis — malicious · b415f6cf371a1a82

MALICIOUS

PDF

2.7 KB Created: 6778-01-01 Authoring application: 4266

MD5: ff96624e0a1435065b6ab4878d3b2785 SHA-1: 648e397ff52d04a5ff61e0b6f4861f144157ddb1 SHA-256: b415f6cf371a1a829d271b9f1c0356cf2d18a75fcc069c556e88f6e235f773f5

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating it contains an exploit. Embedded JavaScript was detected and extracted, suggesting it is used to deliver a malicious payload. The extracted JavaScript file, 'javascript_obj0013_001.js', is a primary indicator of compromise. The presence of JavaScript actions and embedded JS streams points to the execution of malicious code.

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` `5161536f33efa7273cd73ae00903d744c024339ba05e1305efd7a29215d4d4fe`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4787 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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