Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab2a0647a24e135b…

MALICIOUS

PDF

24.2 KB
MD5: 8f6596944c8b79073b192de595c8eed3 SHA-1: 26e6ef1e9bbcf3e256769d3a615dcb959fa4f4b6 SHA-256: ab2a0647a24e135b1c9d3cc824e2a94e15b158eaaec1ef80fdba76e4aeec1c69
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that leverages XFA forms to exploit CVE-2010-0188 in Adobe Reader. This vulnerability allows for the execution of arbitrary code, as indicated by the critical heuristic firing. The embedded URL is likely part of the exploit chain or a lure.

Heuristics 5

  • 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
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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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