Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecacd2484b2cf190…

MALICIOUS

PDF

24.1 KB
MD5: ac2d0abf99f8b87f47a7eaa374fd4f22 SHA-1: c189148b702e3b45ca03dc8a30ccec6305b8bb07 SHA-256: ecacd2484b2cf190a3920ca22ef059098b0fb98b92e5e86d4f75df20377091a5
130 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Phishing: Spearphishing Attachment

The sample is a PDF file that triggers critical heuristics for CVE-2010-0188, an exploit targeting Adobe Reader's XFA forms and LibTIFF parsing. ClamAV also detected it as malicious. The embedded URL, while not directly malicious, is associated with XFA templates, further supporting the exploit vector. The document body contains obfuscated JavaScript-like code, likely part of the exploit chain, but its exact function is unclear without further deobfuscation.

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/