Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6abf705bbb6e73f…

MALICIOUS

PDF

7.1 KB Created: 2010-08-01 04:20:19 Authoring application: daceWis muleDoc First seen: 2026-05-08
MD5: 8997bbe22a688998bfb062941857b845 SHA-1: bd3285bef1103228181b019a40e0995276a2d4b6 SHA-256: b6abf705bbb6e73f8f85a64edea2df674492a5ba3bf0ea5aa3eb0e578b7141f7
110 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF file exhibits multiple indicators of malicious intent, including embedded files and a script payload. The presence of these elements strongly suggests the document is designed to execute malicious code or download further stages of an attack. The PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic firing is a key indicator of this behavior. The file's SHA256 hash is included as a primary IOC.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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 info 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/ In PDF document text
    • http://www.xfa.org/schema/xci/1.0/In PDF document text
    • http://www.xfa.org/schema/xfa-template/2.5/In PDF document text
    • http://ns.adobe.com/xtd/In PDF document text
    • http://www.xfa.org/schema/xfa-data/1.0/In PDF document text
    • http://ns.adobe.com/xfdf/In PDF document text
    • http://www.xfa.org/schema/xfa-form/2.8/In PDF document text

Extracted artifacts 7

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0015.bin pdf-embedded-file PDF EmbeddedFile object 15 at offset 0x2CA 84 bytes
SHA-256: d81baa73e490e4cb879e13927cacd1dd1be37524a37eac51603e15117c578777
embedded_file_obj0014.bin pdf-embedded-file PDF EmbeddedFile object 14 at offset 0x37C 228 bytes
SHA-256: 24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0
embedded_file_obj0013.bin pdf-embedded-file PDF EmbeddedFile object 13 at offset 0x46D 1133 bytes
SHA-256: 5195643ea001a85f3f205b9b138b4fb82180d469a0c0577d57adeba347ac0bfe
embedded_file_obj0012.bin pdf-embedded-file PDF EmbeddedFile object 12 at offset 0x736 199 bytes
SHA-256: c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460
embedded_file_obj0011.bin pdf-embedded-file PDF EmbeddedFile object 11 at offset 0x829 55092 bytes
SHA-256: fa8256fd807eaa28f6ea6e423984724ed41ea2e314f1c55b9c9c026e5c3c6e6c
embedded_file_obj0010.bin pdf-embedded-file PDF EmbeddedFile object 10 at offset 0x15DD 77 bytes
SHA-256: e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876
embedded_file_obj0009.bin pdf-embedded-file PDF EmbeddedFile object 9 at offset 0x1683 56 bytes
SHA-256: 92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a

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