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 hosted on disposable domains, suggesting a link farm designed to redirect users. The primary URL, 'https://kuzutuzo.ru/strik?utm_term=guardian+underground+fence+instructions', appears to be a redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://kuzutuzo.ru/strik?utm_term=guardian+underground+fence+instructions PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425492/normal_6024253dd6ad3.pdfIn PDF document text
- https://sojabejob.weebly.com/uploads/1/3/4/8/134890412/tusufulokegazi.pdfIn PDF document text
- https://cdn.sqhk.co/nubokeso/ye5Jxhc/61108749217.pdfIn PDF document text
- https://ponukikoruxa.weebly.com/uploads/1/3/4/3/134343798/nolenojam_puginedow_bivoronugagu_dipojikoxore.pdfIn PDF document text
- https://wikomatoniv.weebly.com/uploads/1/3/4/5/134501486/givesepaviga-tinunuxeva.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473902/normal_605addd4a80ad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414848/normal_6047d3f188c10.pdfIn PDF document text
- https://giliruba.weebly.com/uploads/1/3/1/4/131483170/vepemikavewamogopu.pdfIn PDF document text
- https://gawozigojuvapa.weebly.com/uploads/1/3/4/8/134896601/1be1ea92655.pdfIn PDF document text
- https://zufiwesikewini.weebly.com/uploads/1/3/3/9/133997230/1223690.pdfIn PDF document text
- https://fozogefijegajor.weebly.com/uploads/1/3/1/4/131453134/074d0d5422.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466143/normal_5fce672a960c2.pdfIn PDF document text
- http://blubadgehelp.net/zokuzovemugaridknqqe.pdfIn PDF document text
- https://tovibebifenoge.weebly.com/uploads/1/3/2/6/132695438/kemurokarodusoz.pdfIn PDF document text
- http://fijubigatusurov.scienceontheweb.net/39267812748.pdfIn PDF document text
- http://yognat.space/18570630669uha4x.pdfIn PDF document text
- https://metifipiwe.weebly.com/uploads/1/3/1/1/131164131/fivewovagu.pdfIn PDF document text
- https://voxipomawo.weebly.com/uploads/1/3/1/3/131379395/5c5405088824aa2.pdfIn PDF document text
- http://onsideball.info/john_deere_510_parts_manual_lawn_mowersyxkp2.pdfIn PDF document text
- http://xevedudox.sportsontheweb.net/quran_malayalam.pdfIn PDF document text
- https://cdn.sqhk.co/dozirerom/cgj1091/whatsapp_apk_for_iphone_3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://radiviwix.onlinewebshop.net/indrajal_comics_phantom_bengali.pdfIn PDF document text
- http://pujumek.myartsonline.com/sabitegatajarojex.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_off0000d5b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5B1 | 5188 bytes |
SHA-256: 70fbd6c7e117b931aab32c5c4b4e02b5667e7a1e1194c05117e6a31bd4c8c3e0 |
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font_01_sfnt_off0000e76d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE76D | 10784 bytes |
SHA-256: e853854cc6b2e6e2838d3e87d44e2411e90e0d5063aad59c9c61cda72234d6a6 |
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