Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a64a6dcfea4daaa…

MALICIOUS

PDF

20.2 KB
MD5: 348c511512c391aab3d3fd024e097d68 SHA-1: 2ba5b1f9b2f7215200f300980d9bc9a88466ebe0 SHA-256: 6a64a6dcfea4daaafe04affc97eae9d1c4ad473f6fe5984c451be237f8578ff1
162 Risk Score

Malware Insights

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

The file is a PDF document that leverages the XFA form functionality to exploit CVE-2010-0188, a known vulnerability in Adobe Reader. This exploit allows for the execution of arbitrary code, likely to download and run a secondary payload. The embedded URL is likely related to the exploit's functionality.

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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • 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/