PDF malware analysis — malicious · 3a106123b1169dd4

MALICIOUS

PDF

3.2 KB

MD5: f384bbd892ba95f0847affd4c0ef5b4a SHA-1: 804cc1cb457f063d791a231d1269684d08d6709e SHA-256: 3a106123b1169dd475f54c9bde18eb2f9291c0b438a817dc08d7bf1cdd073dda

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious JavaScript

The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection for Pdf.Exploit.Agent-36121. Embedded JavaScript was also detected, indicating an attempt to execute malicious code. The primary attack pattern involves exploiting a PDF vulnerability to run this embedded script, likely to download and execute a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
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_obj0007_000.js` `71f055546e03737af799e4a51f1bef5e15065baee547ebbd80bf1d59f52e4350`	pdf-javascript-stream	PDF /JS object 7 at offset 0x9C4	459 bytes

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