Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f6d97d8bf5a49fb…

MALICIOUS

PDF

99.8 KB
MD5: ba90ea15af00e37f24fdc85aeef0e42c SHA-1: 72574adb9a15f5ad013a28bb0259589780b81a63 SHA-256: 6f6d97d8bf5a49fb23b41fb8a063a87c57f155a7987f3df44e68de99282f1d0a
116 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF sample contains a critical heuristic firing for CVE-2010-0188, an Adobe Reader exploit targeting XFA forms. This indicates the file is designed to exploit a client-side vulnerability for code execution. The embedded script, though obfuscated, likely facilitates the download and execution of a secondary payload, a common technique for malware delivery.

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
14e1845d9df24a48de9d01474c70b0ff6c7d5783d9743ecb514c01b082fb13e0		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101441 bytes

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