MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically 'https://ttraff.cc/wix?keyword=brs+neuroanatomy+pdf+free'. It also exhibits characteristics of a link farm, with numerous external PDF links. The document body, though heavily obfuscated, contains the same malicious URL, suggesting an attempt to trick users into downloading further content.
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.cc/wix?keyword=brs+neuroanatomy+pdf+free
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b6bf5b_b4e3f0ea4c0841d8b873bcaee589b6ac.pdf
- https://static.usrfiles.com/ugd/b8c837_d485d49305b2441cac3db55468e89dcc.pdf
- https://static.usrfiles.com/ugd/a2c2bc_f452ce74a80b4a479318e90fdcb6488a.pdf
- https://static.usrfiles.com/ugd/89363e_4f5067e8dc3544dfb7cef1be9e467cb1.pdf
- https://cdn.shopify.com/s/files/1/0432/8770/7804/files/chaos_theory_management.pdf
- https://cdn.shopify.com/s/files/1/0431/1914/9216/files/11227223277.pdf
- https://static.usrfiles.com/ugd/b8c837_951fbc97f0314ad6833cd4c16376dd10.pdf
- https://static.usrfiles.com/ugd/b8c837_d34207c01fbf4fe7bd429f977bf8b467.pdf
- https://cdn.shopify.com/s/files/1/0435/5352/1823/files/59179486987.pdf
- https://cdn.shopify.com/s/files/1/0433/5045/8520/files/office_365_personal_subscription.pdf
- https://cdn.shopify.com/s/files/1/0434/6249/2313/files/accounting_journal_entries_examples.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_off000059af.binb7ad66655cee03c269c451523f1287d0b5e6adcb0beb1145ba714644ea46b39c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59AF | 5308 bytes |
font_01_sfnt_off00006bab.bin8f3f583b23570fc34959693e2321ce0feae1c4957856c397cbe6b2966b11fb05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BAB | 10596 bytes |
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