Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd500bbb72d1bfdf…

MALICIOUS

PDF

3.2 KB
MD5: c96d8956fd5cae23d9581427f3f5eef5 SHA-1: b18428af58cecce8b01c4a668652c1333c3aef6e SHA-256: fd500bbb72d1bfdf5f0a2d9990dea091c08c5fcf231d8b4596fc337b0c797538
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as Pdf.Exploit.Agent-36121 further confirms its malicious nature. The JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary code.

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.

FilenameKindSourceSize
javascript_obj0007_000.js
d91f8f207478dcecde9d2afcc3add036f4ba378e4738bd208c81d8fae95e59c9		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C8 468 bytes

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