Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f68e5240ca15314…

MALICIOUS

PDF

24.1 KB
MD5: b2103c74784a754b7e1f7a0fe042677f SHA-1: 6a2755340d193f15a5486636110d0ee87c5ea711 SHA-256: 4f68e5240ca15314de1c686c6f2dfd05e9b58f4ee5d3acfeaf528d893894cc58
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting vulnerabilities. Static analysis identified a critical heuristic match for CVE-2010-0188, indicating exploitation of Adobe Reader's LibTIFF component. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a secondary payload. The embedded URL, while seemingly benign, is part of the XFA structure and could be involved in the exploit chain.

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/