Malicious PDF — malware analysis report

Static analysis result for SHA-256 a69a00d008d30b49…

MALICIOUS

PDF

24.5 KB
MD5: 2a98baf873dcf462441f6ac92817f71b SHA-1: 91f6c4368c10f94167015920563e5bd0767ad952 SHA-256: a69a00d008d30b491245dc9347c7581d0983b65f7b826fc3c3f7063d9ec048e5
128 Risk Score

Malware Insights

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

The sample is a PDF file that contains an XFA form, which is a known vector for exploitation. Specifically, the critical heuristic firing indicates exploitation of CVE-2010-0188, a vulnerability in Adobe Reader's handling of LibTIFF within XFA forms. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The embedded URL, while seemingly benign, is part of the exploit chain.

Heuristics 4

  • 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
  • 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/

Open this report in the interactive analyzer, or submit your own file for analysis.