MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded URLs and text that mimic search results, specifically for 'vocabulary workshop level d unit 15 answers'. The primary URL, https://trafftec.ru/123?keyword=vocabulary+workshop+level+d+unit+15+answers, is likely intended to lead the user to a malicious site. The heuristic 'PDF_SEO_LINK_FARM' indicates the PDF contains a large number of external links, suggesting a tactic to distribute traffic or host malicious content across multiple domains. No scripts were extracted, but the overall structure and embedded links point towards a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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://trafftec.ru/123?keyword=vocabulary+workshop+level+d+unit+15+answers
- https://cdn-cms.f-static.net/uploads/4368496/normal_5f8b2b7dc1534.pdf
- https://cdn-cms.f-static.net/uploads/4366343/normal_5f933ffd8bcde.pdf
- https://cdn-cms.f-static.net/uploads/4402933/normal_5fa3832ea6f97.pdf
- https://cdn-cms.f-static.net/uploads/4392860/normal_5f9e022e52a7b.pdf
- https://cdn-cms.f-static.net/uploads/4366347/normal_5f9541eae6557.pdf
- https://cdn-cms.f-static.net/uploads/4417216/normal_5fa0ed1038a8d.pdf
- https://cdn-cms.f-static.net/uploads/4382420/normal_5f996aba8d6b3.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://zojemadej.files.wordpress.com/2020/11/73587489466.pdf
- https://tibazimujo468501389.files.wordpress.com/2020/11/vakegalazuzevup.pdf
- https://fenomupiviro.files.wordpress.com/2020/11/36748945144.pdf
- https://sebavotoru.files.wordpress.com/2020/11/duniviraba.pdf
- https://s3.amazonaws.com/dazifozixawus/pepedovuj.pdf
- https://pokavewizux.files.wordpress.com/2020/11/59291350974.pdf
- https://teliziturim.files.wordpress.com/2020/11/data_rescue_3_serial.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_off00004546.bin749a4f1814fe6ec57d9d5067079cd1e066df3aa283c5ead9d7413e0eb78a81ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4546 | 5760 bytes |
font_01_sfnt_off000058fd.binf9127d3936b8069e9ebe22d46e79c53514662c7d29f1fd841bae501de0b239f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58FD | 9604 bytes |
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