PDF malware analysis — malicious · 7a4262b7136d49f3

MALICIOUS

PDF

136.1 KB

MD5: 278d768ffcd70c48b887816f2bb2cb19 SHA-1: 754c10bb610e5a3eb719c68080035fefbe4f9858 SHA-256: 7a4262b7136d49f3472e9ac22cb7b3ea6e348ff05c9cefca94c707c2ac42cd34

108 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF was flagged by multiple heuristics, including a critical ClamAV detection and a high ML classifier score, indicating malicious intent. The presence of embedded JavaScript, identified by PDF_JAVASCRIPT and PDF_JS heuristics, suggests the document is designed to execute arbitrary code. This JavaScript likely downloads and executes a second-stage payload, a common technique for malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Malware.Agent-7835433-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Malware.Agent-7835433-0
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` `6886a4dfe239bed6482bcabc768a38c52af3452a77c6bd520544809e4bb16052`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2C2	123067 bytes

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