Malicious PDF — malware analysis report

Static analysis result for SHA-256 d151659828a7133e…

MALICIOUS

PDF

20.2 KB
MD5: 562bd4f28cc21d80ee61ea4d892e8fde SHA-1: c0b194453e3369581ece01994bb924875873254c SHA-256: d151659828a7133ed32fa2b4147481e871efc03a7ab3eb591be49260cd95f2b4
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The sample is a PDF document that contains an XFA form, which is leveraged to exploit CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a malicious payload. The embedded URL, while seemingly benign, is part of the exploit chain. The ClamAV detection further confirms the malicious nature of the file.

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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • 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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