Malicious PDF — malware analysis report

Static analysis result for SHA-256 28de33f6645d60e9…

MALICIOUS

PDF

16.0 KB
MD5: 3b7b2ae8c56a89e0ec7c214c1f1848cf SHA-1: 08ac457154d7345ee75bbf2b3c6a0ecd63760f90 SHA-256: 28de33f6645d60e9600169ae3939662d39e258299465dbb4363a24ef0bcc8af7
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36324' 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-36324 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
  • 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_obj0076_000.js
cefd8a7f5e537ed0ff562d67cc17afa859259aa5f6af36ecaa1efc7993cd1e4b		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15489 bytes

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