MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, identified as a link farm, with a primary URL pointing to 'kuzutuzo.ru'. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The embedded links suggest an attempt to redirect users to potentially malicious sites for further exploitation or phishing.
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=how+to+create+graph+in+excel+from+another+sheet PDF link annotation
- https://lereviripos.weebly.com/uploads/1/3/4/6/134663640/gefoted.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4487905/normal_60b0c5a6e8835.pdfIn PDF document text
- https://dojulukasinu.weebly.com/uploads/1/3/0/7/130776790/molavetonu.pdfIn PDF document text
- https://ninofupefuf.weebly.com/uploads/1/3/1/8/131856131/578d508302be.pdfIn PDF document text
- https://fozapiko.weebly.com/uploads/1/3/0/9/130968993/cb272d5b2d40.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375887/normal_60072f0b7c223.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461219/normal_605fa7d6e81d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464871/normal_6046903959896.pdfIn PDF document text
- https://fogujudusimasob.weebly.com/uploads/1/3/4/7/134713994/gidibavefujir-bovigofudodexiv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401558/normal_604c9698cebc9.pdfIn PDF document text
- https://luwimejimidilen.weebly.com/uploads/1/3/4/0/134040945/840135.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368226/normal_6004ae7d54a19.pdfIn PDF document text
- https://sodamosubiduv.weebly.com/uploads/1/3/4/0/134012739/pabododujesapof_mepexir_gonamopiwiwi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496811/normal_600a4ab55f44e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410702/normal_600a7851acf2c.pdfIn PDF document text
- https://xepinepuro.weebly.com/uploads/1/3/0/9/130969238/pimiguwipupid_pakoje_rutijexo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/a7a7d739-70ba-44bd-9f14-0c761df227c0/taveguki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/455ceb6e-7db1-4f23-b465-368f39f8794a/diary_of_a_wimpy_kid_book_7_read_online_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd04f4dc-1cee-457d-9386-f165a1099820/jododategotegaladoto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b80fa60-4dfc-45b4-ba9b-bc7847a5a56f/zuporilisabutexogi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3fb17c09-c63b-4fe1-bb0d-383f11398851/67569841885.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d980bce-3873-451a-a97c-5419c028f0dd/what_are_the_characteristics_of_modern_african_drama.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1cc86289-bafe-41d6-a47f-a7c82bf43712/jejedisugajifubosav.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_off0000ec1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC1C | 5552 bytes |
SHA-256: 109f38bfa147bd405d60207d77ff9741dcd1b994a96c5391e1a7ba2ab107425a |
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font_01_sfnt_off0000feee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEEE | 10868 bytes |
SHA-256: 6b94b6457d3dc527183ed099a023c07ef71b686e4de2bc0d8ce49ff07b98e560 |
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