Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b005888fd0dd621…

MALICIOUS

PDF

9.5 KB
MD5: 91de20dfdf6deb3ca63993cca536395e SHA-1: b054a7842c65e1df6e1e755a3f1edc0fd623139f SHA-256: 0b005888fd0dd621fd90937fb955149c24aabcad50a5b379008710b3749d6e80
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, flagged by multiple heuristics as malicious. ClamAV identifies it as Pdf.Dropper.Agent-7227136-0. The 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-7227136-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7227136-0
  • 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_obj0069_000.js
ba93299aa4844ac69e131394540cf3b63b14056ec8b750c12400c379ecdd921e		 pdf-javascript-stream PDF /JS object 69 at offset 0x1BE 25393 bytes

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