MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, many of which point to external websites. The heuristic 'PDF_REPEATED_PAYLOAD_LINK_LURE' indicates that these links are designed to deliver a payload, and the URL 'https://leonvi.ru/strik?utm_term=solving+and+graphing+inequalities+worksheet+answer+key+pdf+math-aids.com' is specifically highlighted as a lure. The presence of a link farm suggests an attempt to distribute malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Invisible/repeated PDF links deliver payload file critical PDF_REPEATED_PAYLOAD_LINK_LUREPDF uses invisible link annotations and points to a direct payload download. Repeated invisible links or lure-like payload names such as document/unlock/verify archives match malware-delivery PDF carriers where the page is only a prompt and the real payload is fetched from the linked URL.
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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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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://leonvi.ru/strik?utm_term=solving+and+graphing+inequalities+worksheet+answer+key+pdf+math-aids.com In PDF document text
- https://ravidaxixow.weebly.com/uploads/1/3/4/3/134315840/764679.pdfIn PDF document text
- https://cdn.sqhk.co/noxomosanena/Bjfgdgf/31303898857.pdfIn PDF document text
- https://sokuvefababadax.weebly.com/uploads/1/3/1/8/131856373/d7a62b.pdfIn PDF document text
- https://zamokofoviwikaz.weebly.com/uploads/1/3/0/8/130815095/luwilurenanidegej.pdfIn PDF document text
- https://wopurosifagup.weebly.com/uploads/1/3/5/3/135333772/1248743.pdfIn PDF document text
- https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/vomekagakitadifuwus.pdfIn PDF document text
- https://bojuwidus.weebly.com/uploads/1/3/4/6/134698781/sapixewekagejiga.pdfIn PDF document text
- https://cdn.sqhk.co/tibakekavero/aIajfoE/ertugrul_ghazi_sword_fighting_of_ottoman_empire.pdfIn PDF document text
- https://cdn.sqhk.co/jurugaguvedu/jihgRWx/happy_birthday_meme_funny_for_her.pdfIn PDF document text
- https://pobapuzelikawe.weebly.com/uploads/1/3/0/7/130739661/d2ecb3c162f.pdfIn PDF document text
- https://tibaxasunoz.weebly.com/uploads/1/3/4/5/134589804/xulujopododizanevul.pdfIn PDF document text
- https://linepofikoleku.weebly.com/uploads/1/3/4/4/134492010/morovabi_biwivaluxenuje_pagifem.pdfIn PDF document text
- https://vaxetilunakado.weebly.com/uploads/1/3/4/0/134012354/753450.pdfIn PDF document text
- https://vademakab.weebly.com/uploads/1/3/1/3/131380849/68c8edccc8.pdfIn PDF document text
- https://cdn.sqhk.co/lupokuna/JibeMjb/cg_vyapam_2019_ppt_online_application_form.pdfIn PDF document text
- https://xutevuper.weebly.com/uploads/1/3/0/9/130969179/e04ec.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://29bb9f0a-cb36-4278-8b1c-05d86a2267e4.filesusr.com/ugd/25e746_321cac6f185a4a319ed8d88a212bbb37.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gaxuremewuger/fapanuwudimiporozerod.pdfIn PDF document text
- https://s3.amazonaws.com/wopari/que_sintomas_tiene_una_hernia_en_el_ombligo.pdfIn PDF document text
- https://49432a94-54bc-4d13-9d12-ea41d731e1b8.filesusr.com/ugd/a7c689_17921019cd1e458280ef6adca2a07533.pdf?index=trueIn PDF document text
- https://32dbe310-3310-44a7-9745-c5428e90421e.filesusr.com/ugd/e3c460_5eb05b6f88364cb281d6a627917fb00c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zumomasugipeno/g_shock_rangeman_carbon_fiber_strap.pdfIn PDF document text
- https://s3.amazonaws.com/wiwuxot/background_photo_editor_free_for_pc.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_off0000ef73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF73 | 6180 bytes |
SHA-256: bc18065716e3f80a2e767e4c23bcd16f43e6f74b36e04bd1422ce4e6bbe6e23a |
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font_01_sfnt_off00010479.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10479 | 11468 bytes |
SHA-256: 06a88d11104c3e45170e741b99b8dab62d1aadf64d2256ce57b378d0c805c8d6 |
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