Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1190bcda1467a0a…

MALICIOUS

PDF

24.2 KB
MD5: 2e48e10d6227bbfeca58722b15ec55ad SHA-1: c5e9692c5a877dace0cd95b716951d35e30293b4 SHA-256: f1190bcda1467a0a20efb928d27111e7bd5ebea102f1181b7ddc602b8d45a3ad
130 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by ClamAV (Js.Exploit.HTML-30). Static analysis detected the use of an XFA form and specifically flagged the CVE-2010-0188 exploit targeting Adobe Reader. The embedded URL, while not directly executable, is associated with XFA templates. The exploit likely leads to the download and execution of a second-stage payload.

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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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