Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dc5d9359ddcbb95…

MALICIOUS

PDF

3.3 KB
MD5: 7f7f52f8a0bb69c46f641498335c9570 SHA-1: f1708529b00b4888b44a46b1120e20521a1bb375 SHA-256: 9dc5d9359ddcbb9510281f07dae27791a8de60dc15f27dac675905c5604f3dde
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as Pdf.Exploit.Agent-36121 further confirms its malicious nature. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary code. No specific malware family could be identified from the available evidence.

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
2fee170b57973fadf50e5cb0f5c87ca9685815498c706270d51db79f4e7e93e1		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 363 bytes

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