Pdf.Dropper.Agent-7323352-0 — PDF malware analysis

Static analysis result for SHA-256 f2ec76e071071d5f…

MALICIOUS

PDF

5.5 KB Created: 2009-01-10 63:14:00 Authoring application: Jkkss (via Kk22q)
MD5: e1afd6deb4300e04d134e193935800cd SHA-1: c8d787c74d21e9e824f90038d3b604583b653255 SHA-256: f2ec76e071071d5f3e6b3375b370921251489991671da6e9923c31baa5e28fe8
108 Risk Score

Malware Insights

Pdf.Dropper.Agent-7323352-0 · confidence 99%

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as 'Pdf.Dropper.Agent-7323352-0'. The presence of embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics, suggests the document is designed to execute malicious code. This JavaScript likely acts as a dropper, downloading and executing a second-stage payload, which is a common technique for PDF-based malware.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7323352-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7323352-0
  • 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.

FilenameKindSourceSize
javascript_obj0013_001.js
dd935a42104bac96aad800ac566d6df7400b8eadd59dd1eefee58ad3c82ddbb1		 pdf-javascript-stream PDF /JS object 13 at offset 0x37E 37731 bytes

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