Malicious PDF — malware analysis report

Static analysis result for SHA-256 923b0aacf8d87996…

MALICIOUS

PDF

12.2 KB
MD5: 9112859a4afdbd81de9970d38934a40d SHA-1: eb981210b428accdc98b27e65a6f1b2600f4a1fe SHA-256: 923b0aacf8d8799661a330ff57cb45c039965e23332e79c5cf9696b1c690dbca
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript object. ClamAV detection confirms its malicious nature as Pdf.Exploit.Agent-36723. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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
5ceaf17fe1388f7fbe033c49f247b222c4c601c414ad5c0380d7a12089371f43		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11399 bytes

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