Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d1411d7d38a3b09…

MALICIOUS

PDF

99.7 KB
MD5: 93ee2886edf7434427e475e4b69d51c5 SHA-1: 9a2e4bb728d1a2c49cb93bf6c20c3245fc6389df SHA-256: 5d1411d7d38a3b09b59df3c0f43f9c31e0cbfc341048c54829d16c2c86dc7f94
116 Risk Score

Malware Insights

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

This PDF file exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component, allowing for arbitrary code execution. The presence of XFA forms and embedded script payloads further indicates malicious intent. The primary attack vector is likely spearphishing, with the PDF acting as an attachment designed to exploit the reader's vulnerability.

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.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded script payload in PDF stream low PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • 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://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0008.bin
f1fb89fc29898dbb102330cb90958ee03459e94018ba3aeab427ec825f89e20e		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101294 bytes

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