PDF malware analysis — malicious · 1b5558fad8840bdb

MALICIOUS

PDF

118.6 KB

MD5: ae8b8fc6c6e28fd9186573ff2b6da847 SHA-1: 7aa841b9723af0450b1321edc74ff6154546e1fe SHA-256: 1b5558fad8840bdb3a70c5dfbdd4d87aaf12ba5f5292c517d9fdcd56ae9ef4e9

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Malware.Agent-7775027-0'. It also contains embedded JavaScript, indicating an attempt to execute malicious code. The ML classifier strongly supports the malicious verdict. The primary attack vector appears to be leveraging JavaScript within the PDF to deliver a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Malware.Agent-7775027-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Malware.Agent-7775027-0
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` `3b804f61656520dc3885000107f3a6e84f5a4fd3770a846c60efe1c4cd283656`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2C2	103861 bytes

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