Malicious PDF — malware analysis report

Static analysis result for SHA-256 05bc292ee2b62b1e…

MALICIOUS

PDF

24.2 KB
MD5: 8e1da30d423565beaba9552a74059f09 SHA-1: 6f6ee7bbcf865d5241d7a865bae4445f68fb8763 SHA-256: 05bc292ee2b62b1e7e117bad67e38f5043314305c7545fac7e96d04c9f8bf9e8
162 Risk Score

Malware Insights

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

The file is identified as malicious due to critical heuristic firings indicating an exploit for CVE-2010-0188 within XFA forms, a known vulnerability in Adobe Reader. The ML classifier also strongly flagged the PDF as malicious. The embedded URL is likely part of the exploit chain, though its specific function is not detailed. The exploit allows for arbitrary code execution, a common precursor to further malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/