Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cd45c8dea6e78c8…

MALICIOUS

PDF

24.2 KB
MD5: 651f79cfc9f62cd8e26ec5828a4406d3 SHA-1: 634aef6bca4d4a9f899428d2509f8a6bc8c024ea SHA-256: 2cd45c8dea6e78c81a5bcd581ce0711a9f5a2c384fb9f5ab6f4f7602b768d8f2
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1566.001 Phishing: Spearphishing Attachment

The sample is a PDF file identified as malicious by ClamAV, specifically flagged for exploiting CVE-2010-0188 via an XFA form. This exploit is designed to execute arbitrary code when the PDF is opened in a vulnerable version of Adobe Reader. The embedded URL, while seemingly benign, is part of the XFA template structure and could potentially be involved in the exploit chain.

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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