Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a7bac5ad682b8e1…

MALICIOUS

PDF

3.3 KB
MD5: 78abc443959662f46a961f9a17c71f54 SHA-1: 5db7a7a02d9ccaf8f364c93dea80052ff26c4379 SHA-256: 9a7bac5ad682b8e1b22f9734dd2beffcbc5530d9e9f7d19b177633514dfc7784
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File Execution: Malicious JavaScript

The PDF file contains embedded JavaScript, indicated by multiple 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 executing the malicious payload.

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
40515e2ca20e6f004fe8c0200cc5b5613980b164308e8dc9b6261c5353073ec8		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 341 bytes

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