PDF malware analysis — malicious · c663aa1e9460998a

MALICIOUS

PDF

12.5 KB

MD5: a2f2c25058f84fe5cc66e5c33c42cf56 SHA-1: d087efaedc98b73b4e3ebc190ad307af764e5ef0 SHA-256: c663aa1e9460998a433eab19742d632541b027e5dfd4e88624caf154fcaa603e

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for Win.Trojan.Agent-36281, indicating a malicious nature. The presence of embedded JavaScript streams suggests an attempt to execute malicious code upon opening the PDF, likely to download and execute a secondary payload. The ML classifier's high confidence further supports the malicious classification.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Agent-36281
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_obj0076_000.js` `169ac8d75796ec6b6e0cb1be60617b318214aa4be03ca6c7bedae05cb98114a3`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11688 bytes

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