Malicious PDF — malware analysis report

Static analysis result for SHA-256 83d56131370ddd9a…

MALICIOUS

PDF

24.1 KB
MD5: 69ea9d112d6647409d873b3eba76e3e9 SHA-1: 70dd99320ebc44e21cc4ac090a0dd419251fb574 SHA-256: 83d56131370ddd9a149a83f60e98ea90a0e7d178ff6952d96617dd956f23823f
128 Risk Score

Malware Insights

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

The sample is a PDF document that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The heuristic firings indicate that the XFA payload was decoded from a raw stream, suggesting it's designed to execute arbitrary code. The embedded URL, while seemingly benign, is likely part of 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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