Malicious PDF — malware analysis report

Static analysis result for SHA-256 d36eef63e21790bd…

MALICIOUS

PDF

3.3 KB
MD5: 242285b1257606dff5bb308cc60ab40e SHA-1: 5bef58778ce0749feb58da9c650f2f4c06f72922 SHA-256: d36eef63e21790bde77ed988fd06307c5b8f88f5dde0b4c31b808c596b597edd
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript stream. ClamAV also detected this file as Pdf.Exploit.Agent-36121, suggesting it's a known exploit. The embedded JavaScript is likely responsible for the malicious behavior, potentially downloading and executing a secondary 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
42a0bb2a57f28d09e4d44288d105bf025fd81d501446db354261ae1e6d927e09		 pdf-javascript-stream PDF /JS object 7 at offset 0xA82 322 bytes

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