Malicious PDF — malware analysis report

Static analysis result for SHA-256 4595c3e8c5c15bb7…

MALICIOUS

PDF

93.1 KB
MD5: 49d45d53ec7bedd1a2b8f13699a1fd98 SHA-1: 4480f80cabf7fdb485ddd306f2f686d2a6e84f8c SHA-256: 4595c3e8c5c15bb70977351d62300244bdf7240312253979da3eb77b6b39d12d
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that leverages an XFA form to exploit CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a secondary payload. ClamAV also detected this file as Pdf.Exploit.Dropped-78, further indicating malicious intent.

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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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