Malicious PDF — malware analysis report

Static analysis result for SHA-256 8692c3fee6ef6f70…

MALICIOUS

PDF

3.2 KB
MD5: 0ec07079408c8a5590e237dd4150bd91 SHA-1: 9aed20043283b24a7274936bcddcc8fd619108d6 SHA-256: 8692c3fee6ef6f704a55d563c0bda7f0ca63f2d3f445884d14cbd93bc1252820
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 Command and Scripting Interpreter: PowerShell T1204.002 Malicious File: Malicious File

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 embedded JavaScript is likely responsible for exploiting a PDF vulnerability to achieve arbitrary code execution, a common technique for delivering further malicious payloads.

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
0faa7fd62e1540ef9b9ac30a88645c0467b104bf50b942f2c9e871d97510e2be		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C9 472 bytes

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