Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6a7200f8cfdf020…

MALICIOUS

PDF

24.1 KB
MD5: a3da7b14472affb25e172c85e59729b0 SHA-1: 4fd79db4830447fbbb458103ffb40c6bddd0797a SHA-256: d6a7200f8cfdf02090ebbb155e7067588b994a7c4d8aee433ddb9aa966f04c76
130 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1566.001 Phishing: Spearphishing Attachment

The sample is a PDF file that leverages XFA forms and exploits CVE-2010-0188, a known vulnerability in Adobe Reader's LibTIFF processing. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a secondary payload. The embedded URL, while seemingly benign, is part of the exploit's structure.

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/

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