PDF static analysis report

Static analysis result for SHA-256 0e201143955ffe6e…

SUSPICIOUS

PDF

32.3 KB Created: 2011-04-12 19:13:42 -04:00 Authoring application: Writer (via OpenOffice.org 2.4) First seen: 2013-07-02
MD5: da133d848b8d65959124208de64ead3b SHA-1: 5c284ec761bca9ea7efa7c8d94d47aaf39a0611f SHA-256: 0e201143955ffe6ec83a99249966920c4044f31d9ebe00ec0afcc150cf7be60a
56 Risk Score

Malware Insights

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

The PDF file contains multiple heuristics indicating malicious intent, including embedded files and XFA form usage, strongly suggesting it's designed to exploit vulnerabilities or deliver a payload. The ML classifier also flagged it with high confidence. While no specific script was extracted, the presence of embedded files and XFA forms points towards an attempt to execute malicious code or redirect the user.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

Heuristics 4

  • 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
  • AcroForm button with action trigger low PDF_ACROFORM_BUTTON
    PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
  • 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://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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 7

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0020.bin pdf-embedded-file PDF EmbeddedFile object 20 at offset 0x4685 28437 bytes
SHA-256: 7e64e046f0907e0914a9dca27828e2c8f4636c1aab003872dbd56bdcfaec8579
embedded_file_obj0018.bin pdf-embedded-file PDF EmbeddedFile object 18 at offset 0x79D0 84 bytes
SHA-256: d81baa73e490e4cb879e13927cacd1dd1be37524a37eac51603e15117c578777
embedded_file_obj0019.bin pdf-embedded-file PDF EmbeddedFile object 19 at offset 0x7A82 228 bytes
SHA-256: 24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0
embedded_file_obj0021.bin pdf-embedded-file PDF EmbeddedFile object 21 at offset 0x7B73 199 bytes
SHA-256: c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460
embedded_file_obj0022.bin pdf-embedded-file PDF EmbeddedFile object 22 at offset 0x7C64 119 bytes
SHA-256: 846dfecc0c93797cb6db4301f6af323fffd76ffdf8c053c439495412785138e7
embedded_file_obj0023.bin pdf-embedded-file PDF EmbeddedFile object 23 at offset 0x7D1C 77 bytes
SHA-256: e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876
embedded_file_obj0024.bin pdf-embedded-file PDF EmbeddedFile object 24 at offset 0x7DC3 56 bytes
SHA-256: 92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a

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