MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with one specifically identified as an external URI pointing to 'https://mezovuduw.ru/123?utm_term=worksheet+english+grammar'. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is part of a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. ClamAV detection and ML classification strongly indicate maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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://mezovuduw.ru/123?utm_term=worksheet+english+grammar PDF link annotation
- https://cdn.sqhk.co/vozevadijut/jhjjib3/pusogeloj.pdfIn PDF document text
- https://cdn.sqhk.co/sivojadirabe/jGje9hh/vr_maze_solver_adventure_zone.pdfIn PDF document text
- https://cdn.sqhk.co/gixelotopa/8hcifGM/napopaletawinibuk.pdfIn PDF document text
- https://cdn.sqhk.co/balatexoriv/Xjc4ehg/riders_racing_game_download.pdfIn PDF document text
- http://kokusurajiguz.22web.org/82696851464.pdfIn PDF document text
- http://wegolurubakisud.22web.org/7360881392.pdfIn PDF document text
- http://zozegakipuvi.iblogger.org/critical_thinking_skills_assessment.pdfIn PDF document text
- https://cdn.sqhk.co/xagogudexo/ggGfJid/mulop.pdfIn PDF document text
- https://cdn.sqhk.co/rotefuver/4s767gc/34021074639.pdfIn PDF document text
- https://cdn.sqhk.co/sosobita/jjgjGER/free_offline_games_to_play_on_pc.pdfIn PDF document text
- http://gogejevi.iblogger.org/62152082612.pdfIn PDF document text
- https://cdn.sqhk.co/baruduwege/2hegcvZ/70466538055.pdfIn PDF document text
- https://cdn.sqhk.co/loxexafetivu/dzjgOMK/sword_art_online_mobile_game_review.pdfIn PDF document text
- https://cdn.sqhk.co/jivonaxadu/cihiiur/movie_quote_quiz_and_answers.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mafuwiwoxosom.rf.gd/hammerite_paint_safety_data_sheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b7f6c36c-0bc4-461b-8981-7644f47a984c/81533249479.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b218d8c-0acc-4524-a0bf-461c78eaa593/present_perfect_lesson_esl.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47004b4c-a4d8-4978-9ebc-803aee430fd1/70692544214.pdfIn PDF document text
- https://s3.amazonaws.com/dezajok/sowefedamepuxoboda.pdfIn PDF document text
- https://s3.amazonaws.com/nojemi/kinimilagavakivilafo.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_off0000eadc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADC | 5176 bytes |
SHA-256: 4a7f9394b01d4077a823cd6aec412860606142cb503a9aa47fe46e486e97a2c0 |
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font_01_sfnt_off0000fc5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC5F | 10896 bytes |
SHA-256: 74be757aebef6d013ae5febdd5d400991bcfb14db4750fdd33c6ffa2688195d7 |
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