Malicious PDF — malware analysis report

Static analysis result for SHA-256 5922b7d541e02dd8…

MALICIOUS

PDF

14.4 KB Authoring application: Agaxobawaveriue
MD5: 7c1cfcbbc6984675c0ccecbcc307ba1f SHA-1: 1d31132ad9ec201ff070bcd57519cac131ef08a6 SHA-256: 5922b7d541e02dd82b491998a2331d20300bc9169baa7abc68a7300b95d91bd2
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file is a PDF containing embedded JavaScript, as indicated by multiple heuristic firings and the presence of a large JavaScript stream. ClamAV detection as 'Pdf.Exploit.Agent-22331' strongly suggests a known exploit. The JavaScript is likely responsible for the malicious behavior, potentially downloading and executing a secondary payload, though its exact function is obscured by its size and potential obfuscation.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-22331 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-22331
  • 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_obj0022_000.js
d0a1339a47e9df14486963e6f2c9bc09d71d07b97a581f252e059e37dbd1f9f5		 pdf-javascript-stream PDF /JS object 22 at offset 0x2F2C 38621 bytes

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