Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e93b20da00fd123…

MALICIOUS

PDF

24.1 KB
MD5: 997b69cd8236005ad166ad64d4473118 SHA-1: a3f7b85ced0e7e7a9246ecc03f5c0156937c5ba7 SHA-256: 5e93b20da00fd12304f317bf146729aece6e5ddb6224a0297e5f5ff900301827
162 Risk Score

Malware Insights

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

The file is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. This exploit allows for the execution of arbitrary code, indicated by the critical heuristic firing. The embedded URL, while not directly malicious in this context, is associated with XFA templates.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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