Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b040ffa9612a810…

MALICIOUS

PDF

24.1 KB
MD5: 8743e737a78478cdde891b7fb336058f SHA-1: 7fcf9023c177118381bf65e16d1ea5657fdd7297 SHA-256: 4b040ffa9612a81033ad147d05772c6c7d704b043f125c3566fce1f756c561f2
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1059 Command and Scripting Interpreter

The sample is a PDF file that exploits the CVE-2010-0188 vulnerability in Adobe Reader via XFA forms. The embedded URL is likely part of the exploit chain or a lure. The document body contains obfuscated JavaScript-like code which, when deobfuscated, likely contributes to the exploit execution. The primary attack pattern is the exploitation of a known PDF 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/