Malicious PDF — malware analysis report

Static analysis result for SHA-256 98b337ac6132200b…

MALICIOUS

PDF

24.2 KB
MD5: b6824fd1a986900fb336fa48df0e6051 SHA-1: b34e2c75290d912d3790660bbc32f6f564030f5e SHA-256: 98b337ac6132200bbfbedea96535030de4697f44fb00f9a5cde5ab24171b9fdf
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file identified as malicious by ClamAV, specifically detecting the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. The embedded URL, while not directly malicious, is associated with XFA templates. The document body contains obfuscated JavaScript, likely part of the exploit chain, which is typical for this type of attack.

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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