Malicious PDF — malware analysis report

Static analysis result for SHA-256 d34f448dc90a27f0…

MALICIOUS

PDF

3.3 KB
MD5: 785964c197e0080623ebf08861b05ae8 SHA-1: 3980b2f72e35c0786357277dd968fab56f26af47 SHA-256: d34f448dc90a27f0db2a209f2b0640cce8a47de86bd6c127ecd093b08f7a10d9
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 object. ClamAV detection as 'Pdf.Exploit.Agent-36121' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, which is a common attack pattern for malicious PDFs.

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
8a352c0625515561d5895919b8e0e155830b872c487119308ef03df27351d744		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 307 bytes

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