MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO poisoning tactic. One prominent URL, 'https://vilenefex.ru/strik?utm_term=what+is+the+formula+for+time+in+projectile+motion', is embedded in the document body and appears to be a lure. The ML classifier and ClamAV detection strongly indicate maliciousness, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=what+is+the+formula+for+time+in+projectile+motion PDF link annotation
- https://tevupiju.weebly.com/uploads/1/3/4/8/134865653/vegurujisimuzom-fativobawusevo.pdfIn PDF document text
- http://nigoguno.scienceontheweb.net/wakinejegorazeteza.pdfIn PDF document text
- http://adminhalil.com/nelowoxexevex6o99m.pdfIn PDF document text
- http://libertinemodels.com/tigamusepalirepfah1r.pdfIn PDF document text
- http://pressit.space/nixunovozugeledekrg4df.pdfIn PDF document text
- http://fastpysystem.online/barsaat_ke_din_aaye_movie6a14o.pdfIn PDF document text
- http://tonemisi.medianewsonline.com/acoustic_impedance.pdfIn PDF document text
- https://gozowejikagigu.weebly.com/uploads/1/3/5/3/135345496/bcd86855a.pdfIn PDF document text
- http://nutusugeralinet.mypressonline.com/tezivavitefipavunegefupa.pdfIn PDF document text
- http://abzac.me/15616555876euw4e.pdfIn PDF document text
- https://xazopitanajemav.weebly.com/uploads/1/3/4/7/134714933/goxobojamix_rigusudosuf_wasuletedepet_rejek.pdfIn PDF document text
- https://janirakuvofubej.weebly.com/uploads/1/3/4/7/134734148/pipud.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/ganubifirigevi/fibroscan_interpretation_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f2b6d41-1565-4a6c-af62-a20c9657fa13/12480479907.pdfIn PDF document text
- https://s3.amazonaws.com/midizaxopazeji/vehicle_chassis_design.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a6424cb-1bfc-4f66-ba7f-b9b129e86f38/is_quiznos_out_of_business.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e8c965b-cf0a-453b-8f26-9b2c76169408/how_do_i_get_my_samsung_refrigerator_out_of_demo_mode.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1cb79a9-41b0-4cc6-a691-0f27d803a956/zegizol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/759a9cdb-4eb9-4e58-8555-229a03c59a6b/que_titulos_de_credito_existen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cdef1f53-9499-4f8b-b7e5-07601412182b/kuzab.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1fa12097-11c8-424b-b571-8f3bba5da715/pifilinevuvonugazizuremo.pdfIn PDF document text
- http://perexuwofogefo.onlinewebshop.net/69375022083.pdfIn PDF document text
- https://s3.amazonaws.com/patotale/kumikerewudimuwasas.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_off0000f49d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF49D | 5344 bytes |
SHA-256: 5e6d785125852fe374a3abf62b70f3515a63e50ba1454d234b0677f24627535d |
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font_01_sfnt_off000106b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B2 | 11264 bytes |
SHA-256: 5129abc31424e01ea0f2df944b1a5946907af9e85d25278dd8af91340fc5d194 |
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