MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and heuristics indicating it is a redirector link and part of a link farm. The document contains numerous embedded URLs pointing to PDF files hosted on Shopify and other platforms, suggesting a tactic to inflate search engine rankings or distribute further malicious content. The primary malicious URL identified is https://ttraff.ru/wix?keyword=balancing+chemical+equations+answers.
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=balancing+chemical+equations+answers
- https://cdn.shopify.com/s/files/1/0427/5752/1574/files/32902468244.pdf
- https://cdn.shopify.com/s/files/1/0431/0299/4586/files/undo_a_push_to_master.pdf
- https://cdn.shopify.com/s/files/1/0437/2001/6021/files/31650853463.pdf
- https://cdn.shopify.com/s/files/1/0428/9003/5366/files/wewegazemuxitefununinuw.pdf
- https://cdn.shopify.com/s/files/1/0440/2174/3781/files/fukemu.pdf
- https://static.usrfiles.com/ugd/4117a9_caf497483c024088b8f5c7a103966a83.pdf
- https://static.usrfiles.com/ugd/b8c837_9b4fa15f367d472ebee897d0549728ed.pdf
- https://static.usrfiles.com/ugd/b8c837_790dd339d1a04b8fb4af639928740fc0.pdf
- https://static.usrfiles.com/ugd/b8c837_462a32b997ce4dbf8f8589a801444202.pdf
- https://static.usrfiles.com/ugd/4ae4db_4e48bda8626d461dbc059b3b5a24eb7f.pdf
- https://static.usrfiles.com/ugd/b8c837_67e7acd4ca64447d8afb699521dc813a.pdf
- https://static.usrfiles.com/ugd/4ae4db_f75659c31dfc40608e6b5544435fa96f.pdf
- https://static.usrfiles.com/ugd/b8c837_a292157288c34cb6a8fde7ba316f5abb.pdf
- https://static.usrfiles.com/ugd/5cf23b_130fe229f9bb46c8971d8b6d4466f06c.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ea0.bin4bcc4017fdc880f547845754e9f3e215c1291813beb0609a29b521036df17594 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EA0 | 5480 bytes |
font_01_sfnt_off0000711e.bin2dcae7243761f6f5dc8ceb8c90f271c3e01d0420d94878d584e7d04cb8032114 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x711E | 9940 bytes |
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