PDF malware analysis — malicious · f98e6982397010d2

MALICIOUS

PDF

3.3 KB

MD5: dfe7e9ff4c8cf7891df50d3d738f4ff2 SHA-1: 3212ce3d5874531562eef621c8ef88b26512eef2 SHA-256: f98e6982397010d2175cc433ca6170fbf5cda8ca1febbd12a5fbd71a9e95a208

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF containing embedded JavaScript, as indicated by multiple heuristic firings and the presence of a javascript_obj0007_000.js artifact. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically a PDF exploit. The embedded JavaScript is the likely mechanism for delivering the exploit, although its specific actions are not detailed in the provided evidence. The SHA256 hash is included as a primary identifier.

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` `a4fcecbe0f6af0d5b336a278cae0ecad8390cb3d7ca10e8ccd11fd6d6eeeb471`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA87	339 bytes

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