MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, indicating it functions as a link farm. Several heuristics, including PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM, confirm this behavior. The embedded URLs, such as 'https://vilenefex.ru/strik?utm_term=how+to+reverse+steering+servo+on+traxxas+tq' and 'http://xorabawik.medianewsonline.com/vejivakaveg.pdf', are likely used for phishing or to distribute further malware. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://vilenefex.ru/strik?utm_term=how+to+reverse+steering+servo+on+traxxas+tq PDF link annotation
- http://xorabawik.medianewsonline.com/vejivakaveg.pdfIn PDF document text
- https://bebefezagogu.weebly.com/uploads/1/3/4/3/134372182/0735a08037f57.pdfIn PDF document text
- https://mogiwivimar.weebly.com/uploads/1/3/4/7/134731652/a760eb3cd1.pdfIn PDF document text
- https://dodoluwateja.weebly.com/uploads/1/3/1/3/131381806/naliluk.pdfIn PDF document text
- https://cdn.sqhk.co/xafemepino/3YsxQ3T/2532352754.pdfIn PDF document text
- https://cdn.sqhk.co/nudofarus/jikyUji/wordbrain_2_school_level_2_7x8.pdfIn PDF document text
- https://cdn.sqhk.co/dogilijesiwu/9hh6yl4/97038715687.pdfIn PDF document text
- http://tiwilofojifig.sportsontheweb.net/fuziwenesonu.pdfIn PDF document text
- https://cdn.sqhk.co/zosiwikiw/ghenhiF/lutarewok.pdfIn PDF document text
- http://madoxorijegobe.sportsontheweb.net/bemokuxoduf.pdfIn PDF document text
- http://dumubemajizukov.medianewsonline.com/widufokidiruvoboke.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6d0c6d30-55b9-4b7f-8145-34d11b484ddf.filesusr.com/ugd/8db56d_3320f76634534db4a6043733a4184105.pdf?index=trueIn PDF document text
- https://1ffb5d6c-d890-49e0-9b87-dc10fbfa49e2.filesusr.com/ugd/8bc2a6_42514d8f0d8e42329f73d96b73e4014c.pdf?index=trueIn PDF document text
- http://tiwogiponifi.rf.gd/tolarexi.pdfIn PDF document text
- https://ffcd7f67-9b43-45c2-8e44-b15cca9583b8.filesusr.com/ugd/48bf55_6f5806de942b4efa80f1bcd6d3d9a039.pdf?index=trueIn PDF document text
- http://raxagis.rf.gd/dutajumidutujum.pdfIn PDF document text
- http://rawozenagi.epizy.com/67893360296.pdfIn PDF document text
- https://cb70cc59-2297-49c3-b7e2-2ac7e26e28d4.filesusr.com/ugd/4479ed_6a3705f61b6442bd87d078852d815414.pdf?index=trueIn PDF document text
- https://8271b8e8-1520-4b18-8785-2fafc8cd33e6.filesusr.com/ugd/efc97f_e286ed740f7246c38e292888050dedd4.pdf?index=trueIn PDF document text
- https://52ed6390-a5c1-4502-9f93-599cf6d98ad1.filesusr.com/ugd/f7fbc8_dce8479c158f455e89b8e905fb0f7c1f.pdf?index=trueIn PDF document text
- http://faxumodud.epizy.com/little_league_baseball_rule_book.pdfIn PDF document text
- https://0cc2a7d0-6f33-4335-9ec9-554d9418487e.filesusr.com/ugd/cb4a18_7d24fc7e7cb247ed994703f3aa87834f.pdf?index=trueIn PDF document text
- https://1416a32c-f91c-4ec3-9c10-bfdf610c7df7.filesusr.com/ugd/76de1a_fbea9eb0478744d791c0db082c807353.pdf?index=trueIn PDF document text
- http://vizepojuduw.rf.gd/gemomexadikavupevigato.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000161d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x161D4 | 5128 bytes |
SHA-256: 5c6bd2e338b93e63d8e818baaa6296fffcef694c6fb35596dc25f5fcce0b0127 |
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font_01_sfnt_off0001736c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1736C | 12728 bytes |
SHA-256: 3d9dc3dfba120231077d2d18b13c74cede1a3b17459d9679243155a7118c10d8 |
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