Malicious PDF — malware analysis report

Static analysis result for SHA-256 0388290a892e54d1…

MALICIOUS

PDF

24.1 KB
MD5: 3b028ebaa2eedee877aecf34e7a22a8b SHA-1: da76fa48d1b5e096a4fe3e498dea64c9584c57ba SHA-256: 0388290a892e54d1073169768710d3ce634563f58b5d21f75faf18b59c0eb77e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is identified as malicious due to the exploitation of CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. The ClamAV detection 'Js.Exploit.HTML-30' and the ML classifier further support its malicious nature. The embedded URL, while seemingly benign, is associated with XFA templates and could be part of the exploit chain.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • 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.xfa.org/schema/xfa-template/2.5/

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