Malicious PDF — malware analysis report

Static analysis result for SHA-256 7abc65b0cbcbfbc9…

MALICIOUS

PDF

24.1 KB
MD5: 4a96ba9c30ae4cb34f497c94a236764d SHA-1: d83ccc567cbda91438235450f83161a80a2014b3 SHA-256: 7abc65b0cbcbfbc9500fa95f2977f8521444d47c471bec8b6692ae7c521995bf
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The sample is a PDF file that utilizes XFA forms and contains a critical heuristic indicating an exploit for CVE-2010-0188, a vulnerability in Adobe Reader's LibTIFF component. The embedded URL is likely related to the XFA template. The script content, although obfuscated, appears to be JavaScript that manipulates strings to construct a payload or command, which is then likely executed. This points to a malicious document designed to exploit a known vulnerability for code execution.

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/