Malicious PDF — malware analysis report

Static analysis result for SHA-256 784c5a682932ab90…

MALICIOUS

PDF

24.1 KB
MD5: 9993987486993a7dee396cbd33d8c725 SHA-1: d31906c70d42972b627203455426b336f198f3b5 SHA-256: 784c5a682932ab9027a658185d488e37fc0496da05fd3aa753f0939a75ae8a03
160 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by multiple engines, including ClamAV and an ML classifier. It contains an exploit for CVE-2010-0188 targeting Adobe Reader's XFA forms, which is a critical vulnerability allowing for client-side code execution. The embedded URL, while seemingly benign, is present within the context of an exploit, suggesting it could be part of a malicious 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: Pdf.Exploit.Agent-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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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