Malicious PDF — malware analysis report

Static analysis result for SHA-256 09482865ee5313d7…

MALICIOUS

PDF

99.6 KB
MD5: 90326242b979e42e17b03b544f1c227a SHA-1: 40732f8b42679f877ca5aaef1aa8b3b9a42492f8 SHA-256: 09482865ee5313d713463b1fba3a2ab644a19f4c2513734341fa3b23a03979b2
116 Risk Score

Malware Insights

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

The PDF sample contains embedded XFA (XML Forms Architecture) data and triggers the CVE-2010-0188 exploit, which is known to target Adobe Reader. This exploit likely facilitates the execution of arbitrary code, potentially to download and run a secondary payload. The embedded script, though obfuscated, is likely JavaScript given the PDF context and XFA usage.

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
5cdf236910c505ea25fc8d2156ef8222d9d2fdff1913bf0d3aa67e4e8d478aee		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101265 bytes

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