Malicious PDF — malware analysis report

Static analysis result for SHA-256 182b4d72c0424d25…

MALICIOUS

PDF

24.1 KB
MD5: 778e54a28b42f8e9f1c863c19219ba05 SHA-1: e0783075ecafdbe828b04f3d6777369a1939f58d SHA-256: 182b4d72c0424d25aea05139e025da07e4c108628ef066aa8e4c0e30133e5f3d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. The presence of XFA form elements and the ClamAV detection 'Js.Exploit.HTML-30' indicate the exploitation of client-side vulnerabilities. The embedded URL, while seemingly benign, is part of the exploit structure.

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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