MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing attempt. It contains numerous embedded URLs, with a primary external URI pointing to 'https://medvor.ru/pbw?utm_term=ejercicios+de+multiplicar+para+quinto+grado', suggesting a lure to a potentially malicious site disguised as educational content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the malicious intent by identifying the document as a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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 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://medvor.ru/pbw?utm_term=ejercicios+de+multiplicar+para+quinto+grado PDF link annotation
- https://cdn-cms.f-static.net/uploads/4476567/normal_602220df5f001.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446388/normal_605c08827ec2b.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
- http://pugaxigodaka.pbworks.com/w/file/fetch/144477702/narivivifosibajopubov.pdfIn PDF document text
- http://barumena.pbworks.com/f/15829178974.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5054134e-ea58-449b-a31d-99181a68fe2c/xikidowazukufulabip.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d80bd90c-7f75-401d-819c-083f9c22c27e/plantronics_m180_headset.pdfIn PDF document text
- http://xuvabufoj.pbworks.com/w/file/fetch/144472527/tilugonalakiwedazovomufe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/721f4de8-075d-4a3c-bfc1-5fbc514dc24a/juvawemuvebenuziwaw.pdfIn PDF document text
- http://giresizuloki.pbworks.com/w/file/fetch/144463617/76978702636.pdfIn PDF document text
- http://kuzimotum.pbworks.com/f/nebose.pdfIn PDF document text
- http://letonepamusi.pbworks.com/w/file/fetch/144440769/livro_pensamento_lateral.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c24f9aa8-fad5-47d4-a172-eede14ee2b7a/how_to_fix_an_electric_fireplace.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ae9ee04-b508-4072-a205-8f7eda076279/lesowuwidovijixure.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c53493c7-fddf-4379-96a3-e04a1cb85d70/similar_polygons_worksheet_8th_grade.pdfIn PDF document text
- http://numefen.pbworks.com/f/miwifivogubak.pdfIn PDF document text
- http://zipiwume.pbworks.com/f/gisufexudukekiv.pdfIn PDF document text
- http://vimadutukad.pbworks.com/f/87271092177.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e54c18c0-8304-4264-9392-7dc3eddbefa1/mamolugisupa.pdfIn PDF document text
- http://lipadune.pbworks.com/f/lupejobederevilux.pdfIn PDF document text
- http://fuzobonesujo.pbworks.com/w/file/fetch/144514146/68286516473.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27ae3fb9-932a-4f63-929d-fc3d8c7f6a7a/59411857937.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_off0000dec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEC3 | 5436 bytes |
SHA-256: e79ae9520defea59574292f0cdf2c31b99a12b031b796dffe8addf1a67b18aab |
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font_01_sfnt_off0000f11a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11A | 11400 bytes |
SHA-256: a8808c72c289aca726ea9f1c67b3f23f5a07b75a5c8d3ad81ed087371a805be2 |
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font_02_sfnt_off0001168a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1168A | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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