PDF malware analysis — malicious · 6722c46f8441dd74

MALICIOUS

PDF

14.6 KB Authoring application: Riuoqamocnokepo (via Qezodlapheuod)

MD5: 8aa3c6a22dfb143b8c7f0a10db71bdd0 SHA-1: 02d78a43bf536708a53aea731ddb3c541503c69d SHA-256: 6722c46f8441dd745ac6f6cad7e28dad305f17f5d170ca4d2734e3f8a78cc93d

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript, flagged by multiple heuristics and a machine learning classifier, indicating malicious intent. ClamAV detection confirms this, identifying it as Pdf.Dropper.Agent-5341872-0. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, a common technique for dropper malware.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Dropper.Agent-5341872-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-5341872-0
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_obj0020_000.js` `162b1256d65443f9e13b265fbd89bd71b72816cddbe0334efa5b68ad313f4eb3`	pdf-javascript-stream	PDF /JS object 20 at offset 0x288D	1571673 bytes

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