MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to a link farm designed to redirect users to malicious infrastructure. The primary redirector URL identified is https://ttraff.ru/wix?keyword=hachette+mission+indigo. The ML classifier strongly indicated maliciousness, and the presence of a redirector link confirms a malicious intent to lead the user to a harmful destination.
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=hachette+mission+indigo
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/74a852_e755c47be9124d1d945efed6544dd5fb.pdf
- https://static.usrfiles.com/ugd/b8c837_5f2b8e7dab6147c78548b4e5b26f0096.pdf
- https://static.usrfiles.com/ugd/b8c837_99d81550f2d043c0ae25a9aa20ca5d12.pdf
- https://cdn.shopify.com/s/files/1/0433/4642/8059/files/sileta.pdf
- https://cdn.shopify.com/s/files/1/0433/0746/6916/files/pesetuwozuxidajitefu.pdf
- https://cdn.shopify.com/s/files/1/0432/5149/9170/files/kubota_t1460_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/1237/4174/files/rizitejo.pdf
- https://cdn.shopify.com/s/files/1/0428/2892/3046/files/rupokibabasidavogu.pdf
- https://cdn.shopify.com/s/files/1/0430/6147/7527/files/69583493650.pdf
- https://static.usrfiles.com/ugd/b8c837_42e1384639084a63aabb4bc8a5e5322d.pdf
- https://static.usrfiles.com/ugd/097bd5_7f9cb0ac65094b1db7a4f636d4b1f5f0.pdf
- https://static.usrfiles.com/ugd/906e9f_698b70d6e4f94f4cbe4eded48a5b5b91.pdf
- https://static.usrfiles.com/ugd/0779a3_2cf08e28492e4d48855f05abe9d9d102.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_off000044c5.bin12f424a7e4032d7e7191df40e630af79a7b286993ead4cdd5af9cfdc7d805d10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44C5 | 5184 bytes |
font_01_sfnt_off0000563f.bin76769c31c2b2e2cca41bebc1cbdf6b28acdff0d94a9c6b9c0e452480d3d6b27d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x563F | 9160 bytes |
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