Malicious PDF — malware analysis report

Static analysis result for SHA-256 09e5186558f11d3c…

MALICIOUS

PDF

78.3 KB
MD5: 50bbc44973dd8cbd6da6a2997d3f0610 SHA-1: 52da080eeceedcd9655c785a0ded39e33563fd1f SHA-256: 09e5186558f11d3c0682bcd324e355b094fbceb3799923b7b28f8bdba375201d
156 Risk Score

Malware Insights

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

This PDF document contains a critical heuristic firing for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component via XFA forms. The presence of XFA script further indicates malicious intent. While no specific URLs or scripts were directly extracted for analysis, the exploit itself is the primary indicator of malicious activity, suggesting the document is designed to compromise the user's system upon opening.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • XFA form contains risky executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
  • 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
69b1e6227368a49194541b63f308740c9bbdc8959b3d2e9dee8b1b5973d15efc		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 79473 bytes

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