Malicious PDF — malware analysis report

Static analysis result for SHA-256 68288e6f77641965…

MALICIOUS

PDF

24.1 KB
MD5: 989d2bb03a133ac625fc0f9beb321caa SHA-1: ff69ebe6d0afeb8c8de4b320fc6a48539b046583 SHA-256: 68288e6f77641965e6f7bb5635516a98ae62cedb0bc786acf8279d39b220259c
160 Risk Score

Malware Insights

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

The sample is a PDF document that leverages the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component to execute arbitrary code. The XFA form structure and embedded exploit payload are strong indicators of malicious intent. The embedded URL, while seemingly benign, is present within the context of an exploit.

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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