Malicious PDF — malware analysis report

Static analysis result for SHA-256 52b2d3a2b35edb8c…

MALICIOUS

PDF

24.2 KB
MD5: bc0b18f14f266221cd2a40ff1a07669f SHA-1: 1664760589de5a9d012f4b08adc2321ff17be6dd SHA-256: 52b2d3a2b35edb8ce718714232ff2c5c95fb159af0d0e279b3bc4df34a9f8a1d
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1059 Command and Scripting Interpreter T1059.001 Command and Scripting Interpreter: PowerShell

The sample is a PDF document that leverages the CVE-2010-0188 vulnerability, a known exploit targeting Adobe Reader's XFA forms. This exploit allows for the execution of arbitrary code, likely to download and run a secondary payload. The embedded URL, while seemingly benign, is part of the exploit's structure.

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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