PDF malware analysis — malicious · 9219427d4166c018

MALICIOUS

PDF

12.1 KB

MD5: 025e27c1cee53817494ba9b68323a04f SHA-1: 275d31368e1bb38b4c25a4e43969ec1dfa5f8ebb SHA-256: 9219427d4166c0182e0c753575b49e59fd7aca7a04310038d01b1c28db1abf83

166 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution

The file is identified as a malicious PDF by multiple heuristics, including a critical ClamAV detection (Pdf.Exploit.Agent-36365) and a high ML classifier score. It contains embedded JavaScript, suggesting an attempt to execute malicious code upon opening, likely to download and execute a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36365 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36365
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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` `5230372575bdc45997283c676c5d3a2cce2fafc124aca705de31f3ec7372adbe`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11304 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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