Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d979c76550251b4…

MALICIOUS

PDF

24.1 KB
MD5: 768254fc92403593668fc8b8741e99b3 SHA-1: 1b87a654fcfe30b19ec8ae02433bb82c16ddf5df SHA-256: 8d979c76550251b4d9f2c59cdda661b61341d3e722f00c340677dd715f607268
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Embedded Link T1204.002 Malicious Link: Malicious File

The sample is a PDF document identified as malicious by ClamAV and exhibits characteristics of an exploit. Specifically, it triggers the CVE-2010-0188 exploit targeting LibTIFF within Adobe Reader's XFA form processing. The embedded URL, while seemingly benign, is part of the exploit's structure. The attack pattern involves luring the user into opening a malicious PDF that leverages a known vulnerability.

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/