MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, identified as a link farm, with a critical heuristic firing for linking to known malicious redirector infrastructure. The primary malicious URL identified is `https://ttraff.ru/wix?keyword=church+pew+parts`. The document body, though heavily obfuscated, contains references to this URL and other benign-looking PDFs, suggesting a lure or redirection mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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 https://ttraff.ru/wix?keyword=church+pew+parts
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/d775a9_fe105ebd243741539b8d856702675362.pdf
- https://static.usrfiles.com/ugd/b8c837_e1ab813243f5477a85799bbe9fb43ac4.pdf
- https://static.usrfiles.com/ugd/b8c837_ccc1afd3305e43c09a1bb0b4e0afb32a.pdf
- https://static.usrfiles.com/ugd/9cb927_0e50e81d2c1b451bb8b87a478cb3c740.pdf
- https://cdn.shopify.com/s/files/1/0437/3564/6357/files/circulatory_system_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0433/1828/0357/files/ars_poetica_analysis.pdf
- https://cdn.shopify.com/s/files/1/0435/7790/1219/files/forbidden_woods_bloodborne.pdf
- https://static.usrfiles.com/ugd/b8c837_a48fdc0217a64b83a2db0a0cd1c1a9d6.pdf
- https://static.usrfiles.com/ugd/b8c837_cf6d042501604a5ab710fa21e3333053.pdf
- https://static.usrfiles.com/ugd/d54300_720e9661029b4455b736ec29cb69a45f.pdf
- https://cdn.shopify.com/s/files/1/0440/1663/1973/files/20302577292.pdf
- https://cdn.shopify.com/s/files/1/0437/7139/6257/files/rulosuti.pdf
- https://cdn.shopify.com/s/files/1/0437/6159/8616/files/38589788833.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000645e.bin1d5d2e9e022f042bd3d853c85308563ca77cffbff36d623094fc4ba49cce8d77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x645E | 4988 bytes |
font_01_sfnt_off0000755c.binde2be00b0e45a9fac12929e7ad4ac54355adde96966ae9ca69afc680f59e7eb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x755C | 12940 bytes |
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