MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to a link farm designed to redirect users. The primary malicious URL identified is https://ttraff.ru/wix?keyword=yakuza+0+jav, which is flagged as a known malicious redirector. The document's content, though heavily obfuscated, appears to be a lure related to "Yakuza 0 jav" to encourage clicks on these links. No scripts were extracted, but the PDF structure itself facilitates the redirection.
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=yakuza+0+jav
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_a14da25cc78048a3a60dba82ab30c952.pdf
- https://static.usrfiles.com/ugd/9cfd0a_f2573ff2b526451199d1aeecfb1c6d5a.pdf
- https://static.usrfiles.com/ugd/3649d2_06ea312aa90e4e859f0a78cfcc287d9d.pdf
- https://static.usrfiles.com/ugd/b8c837_e5ee22d5d4194382b5ba869f65d86ee1.pdf
- https://static.usrfiles.com/ugd/451461_844aff96440d45af878577b495fb8287.pdf
- https://cdn.shopify.com/s/files/1/0433/6674/4216/files/58856573387.pdf
- https://cdn.shopify.com/s/files/1/0430/1501/2511/files/82463281079.pdf
- https://cdn.shopify.com/s/files/1/0429/5619/3955/files/zebenedawumepeko.pdf
- https://cdn.shopify.com/s/files/1/0431/0401/0389/files/66226291714.pdf
- https://cdn.shopify.com/s/files/1/0431/6109/2255/files/levugularasufabopuzat.pdf
- https://cdn.shopify.com/s/files/1/0431/0568/1562/files/toram_leveling_guide.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008947.bin583a86518ce5a0068f17533707b04facbaf553f6719c7a79eb22dc7a9ccf9ea9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8947 | 5076 bytes |
font_01_sfnt_off00009ae0.bin7fb498ab5a20ca80b7c9874c9bbe370e960e1c58e40d72dad7ef00b36bc517ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AE0 | 4728 bytes |
font_02_sfnt_off0000ab20.bin0b9133816ade70e3adfb46b083cea1e7b1e34806ff14989fa7e3ab6e1fef8cda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB20 | 15636 bytes |
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