PDF static analysis report

Static analysis result for SHA-256 82619489d2413fa2…

SUSPICIOUS

PDF

32.3 KB Created: 2011-04-12 19:13:42 -04:00 Authoring application: Writer (via OpenOffice.org 2.4) First seen: 2013-07-24
MD5: 6fa0e1cf9219082f1831071f40364115 SHA-1: b06a412c2d6ade799bc2655747bfc115bab138f0 SHA-256: 82619489d2413fa2133a3740501e0f899971558fc8a8e5d6bdbc80703e49813c
56 Risk Score

Malware Insights

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

The PDF sample exhibits multiple indicators of malicious intent, including embedded files and XFA form elements, which are often used to deliver exploits or trick users. The ML classifier strongly flags this PDF as malicious. While no specific script was extracted, the presence of XFA and embedded content suggests an attempt to execute code or lead the user to a malicious resource.

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://www.monotype.comhttp://www.monotype.com/html/type/license.html In PDF document text
    • 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
    • http://www.monotype.com/html/mtname/ms_timesnewroman.htmlhttp://www.monotype.com/html/mtname/ms_welcome.htmlNOTIFICATIONIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 8

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0020.bin pdf-embedded-file PDF EmbeddedFile object 20 at offset 0x4685 28450 bytes
SHA-256: f6c99cc247643e546186723d0d3343e9727c5d40a5daefd93ed7e6b9657e1980
embedded_file_obj0018.bin pdf-embedded-file PDF EmbeddedFile object 18 at offset 0x79D3 84 bytes
SHA-256: d81baa73e490e4cb879e13927cacd1dd1be37524a37eac51603e15117c578777
embedded_file_obj0019.bin pdf-embedded-file PDF EmbeddedFile object 19 at offset 0x7A85 228 bytes
SHA-256: 24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0
embedded_file_obj0021.bin pdf-embedded-file PDF EmbeddedFile object 21 at offset 0x7B76 199 bytes
SHA-256: c97e0522381d6196cc0695f35f4d065f15c9c86a9601a7f776c6afd3f4c6b460
embedded_file_obj0022.bin pdf-embedded-file PDF EmbeddedFile object 22 at offset 0x7C67 119 bytes
SHA-256: 846dfecc0c93797cb6db4301f6af323fffd76ffdf8c053c439495412785138e7
embedded_file_obj0023.bin pdf-embedded-file PDF EmbeddedFile object 23 at offset 0x7D1F 77 bytes
SHA-256: e6c26a3478346d27e841ad49868ebf68bf4c6863b6750e8d60bda3c4c6f79876
embedded_file_obj0024.bin pdf-embedded-file PDF EmbeddedFile object 24 at offset 0x7DC6 56 bytes
SHA-256: 92a3ce61d783e15932b5de127ce45a9b4c2f98f4da2453f65241573c1dda808a
font_00_sfnt_off0000015e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15E 29260 bytes
SHA-256: 1cd05ecb4b9aba07818c7e1c5fa3727186fe5bbc2ff16ab8e3ba3bb84ecef56a

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