Malicious PDF — malware analysis report

Static analysis result for SHA-256 b18bed3f4b95421f…

MALICIOUS

PDF

37.9 KB
MD5: 28336e4270056f2df83f03dcb2998f70 SHA-1: 9c7ea43726e198af95257afeb946b224b1a67017 SHA-256: b18bed3f4b95421f65415ce61822bbd0cd190e18767c3a6ce8d6f1ab6bf96ee9
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as 'Pdf.Exploit.Agent-36065' further confirms its malicious nature. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload from the known malicious URL http://shqowtnvmthz.com/nte/NOV1.asp.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-36065 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36065
  • 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://shqowtnvmthz.com/nte/NOV1.asp

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0007_000.js
9c67560e8c63b720885d3efc1627b844b86a6ec08e99e5b65a22eae832045756		 pdf-javascript-stream PDF /JS object 7 at offset 0x1A3 431 bytes

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