MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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=ielts+general+writing+task+2+practice+test+with+answers+pdf PDF link annotation
- https://xekuruwagimutuz.weebly.com/uploads/1/3/2/6/132696141/200242.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421462/normal_603b1b96b53e9.pdfIn PDF document text
- https://jujivonigipegi.weebly.com/uploads/1/3/1/4/131453429/8768535.pdfIn PDF document text
- https://guxesawaxogego.weebly.com/uploads/1/3/4/3/134314991/3208649.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380545/normal_6004a937c3ff1.pdfIn PDF document text
- https://fenikazegalo.weebly.com/uploads/1/3/1/3/131379965/renatawebokaw-wokater.pdfIn PDF document text
- https://sizuginoten.weebly.com/uploads/1/3/4/4/134490660/tasimun_tolifijupulef_dekirogo_kadak.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464527/normal_5fc8598fce9cd.pdfIn PDF document text
- https://nogafuku.weebly.com/uploads/1/3/2/8/132815296/rugajoxori_liviw_polorewemifej.pdfIn PDF document text
- https://mewasopaligesar.weebly.com/uploads/1/3/1/4/131454012/venedapenepisoz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/45046458-d6ad-4164-b6a0-cfcea130cc82/what_is_the_age_limit_for_cub_scouts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c015a38e-d136-45c5-be44-2a433f9c3de5/goxejujalis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d67db8dd-c6a5-4530-a8e5-d244d38afd7a/how_to_install_a_rinnai_gas_hot_water_heater.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5f053af-a7bb-4870-9d3e-f5ed8c3ed751/mozatinaxigilomosejik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb8b8cab-0f5a-418c-bd4a-4a1fef188af8/niruvam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ccf45646-7f43-41bb-9a69-6002dbe837c9/amsco_ap_human_geography_chapter_3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffaaa166-d666-40a0-a50e-b27f2d38eb2f/girl_jamaica_kincaid_quotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6a4babb-30f6-48e8-ad4c-16877496a42d/37454494930.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/15575766-cb32-4d69-8277-112be3c27579/vifimonabesopabi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/20a88d06-6353-42e3-9a7b-1ad7d0aabba6/how_often_should_i_service_my_jeep_renegade.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f850aa3-67be-4843-87f6-402914269121/78359977021.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010eb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB7 | 5320 bytes |
SHA-256: 54658def5e6d20c62281eeb03f8a87b2759f4a06fe237e8a6390a3c3186fddd2 |
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font_01_sfnt_off000120d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D4 | 10272 bytes |
SHA-256: 3e111afa35ccad9b076f4cb638213d350c0f990290b96f121e3b753eba8ff1dc |
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font_02_sfnt_off000143be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143BE | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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