Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e90a96ba5559ca3…

MALICIOUS

PDF

3.2 KB
MD5: 8271ca46a9c940d71a4d7c0767873613 SHA-1: 32109a3fc94e8bb44de1cb00113d8db95d99d7da SHA-256: 8e90a96ba5559ca33c656e5e1d68ea2ed1c2e7f29b772a1a92e043deae25a236
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by heuristic firings and the presence of a javascript_obj0007_000.js artifact. The ClamAV detection 'Pdf.Exploit.Agent-36121' strongly suggests this JavaScript is malicious, likely exploiting a PDF vulnerability to execute arbitrary code. The exact payload and delivery mechanism are not discernible from the provided evidence, leading to an unknown family classification.

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
eed492801c26cc719787bbd6a65f623854bb05253bec46c72d204141994fa946		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C6 485 bytes

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