Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0c8b4679402717e…

MALICIOUS

PDF

4.6 KB Authoring application: Ziixojobouope
MD5: 72200442fc9e46fcd9c50ef8113b17c7 SHA-1: 9d76cda5ff9031b1255dc75adeca39a2e774ef21 SHA-256: b0c8b4679402717efbd7d2206a738d87d7086478f5049d977fd442fb8fb42e1c
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript

The file is a PDF containing embedded JavaScript, as indicated by multiple heuristic firings and the presence of a javascript_obj0011_000.js artifact. The ClamAV detection name 'Pdf.Dropper.Agent-7293832-0' strongly suggests this is a dropper. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to download and execute a secondary payload.

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7293832-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7293832-0
  • 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_obj0011_000.js
01072c4bc37b874dad0eb6f98a7bff8a2daf59a509f4d548c87ac32051ac17a8		 pdf-javascript-stream PDF /JS object 11 at offset 0xCB9 1439 bytes

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