Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ac11c7a04849757…

MALICIOUS

PDF

33.1 KB Created: 2012-08-07 10:10:40 +04:00 Authoring application: Adobe Acrobat 7.0 (via Adobe Acrobat 7.0 Image Conversion Plug-in)
MD5: 71bbb316c1569b64fe08c43babb695aa SHA-1: d1962cb660d98d0aaa8e78852a3da678bb1b6677 SHA-256: 3ac11c7a04849757ea433cd282c145884db061fb7ada344f7fc82d22b821ef68
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Dropper.Agent-7251044-0' strongly suggests malicious intent. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for PDF-based malware. The presence of JavaScript actions and streams points to the execution of code within the PDF.

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7251044-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7251044-0
  • 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.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/pdf/1.3/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0106_000.js
930e614c73798c7407f6d1c185addc21542665fb37828d8b98fc8ceb7d65bdbc		 pdf-javascript-stream PDF /JS object 106 at offset 0x7F0F 3028 bytes

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