Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcb1a484a124b862…

MALICIOUS

PDF

3.2 KB
MD5: 2bec77887d7411e10ef5e2b214eeba9e SHA-1: 2d9628b86eeca2a8dac80545c603e40e5fb2406d SHA-256: fcb1a484a124b8629d4e9fcc078ee516d3f0a6128c94ffeae72d6432250c37b9
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a javascript_obj0007_000.js artifact. The ClamAV detection 'Pdf.Exploit.Agent-36121' strongly suggests this is a known exploit. The embedded JavaScript is likely responsible for executing the malicious payload, leading to the 'malicious' verdict.

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
6280681f8bed124aaaeac6f5081318b1c18cf296bb575cfc8d391bd2b9f8ac61		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C4 473 bytes

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