Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7dcd2f661108eef…

MALICIOUS

PDF

3.3 KB
MD5: ca67653e91f56487be83777fcc89794a SHA-1: 1f1bf4c85418e20fda9e9942d677e2e71b526aab SHA-256: d7dcd2f661108eef90f9e0996b463b57b4fe6c9bb05552c0b788063b1f1155d5
76 Risk Score

Malware Insights

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

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

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
e8fbe674bc3fd29514c0b49b05ebba417e70362ba03147e0b35f16079113b7d2		 pdf-javascript-stream PDF /JS object 7 at offset 0xA7F 319 bytes

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