MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. The PDF contains a large number of embedded URLs, many pointing to disposable hosting services, suggesting a link farm designed to redirect users to malicious sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the final malicious destination. No scripts were extracted, but the sheer volume of links points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://dugedepap.ru/123?utm_term=idsa+guidelines+fever+central+line PDF link annotation
- https://cdn.sqhk.co/wukufazujuv/hg7icUN/foxepewepoboziwapesulujod.pdfIn PDF document text
- https://cdn.sqhk.co/joxesinejag/hhigijh/cfitrainer_questions_and_answers.pdfIn PDF document text
- https://cdn.sqhk.co/sawitofi/Q32jcSj/109801082.pdfIn PDF document text
- https://fumasidabufip.weebly.com/uploads/1/3/0/7/130775820/figuf.pdfIn PDF document text
- https://tisuzibe.weebly.com/uploads/1/3/1/3/131379312/tagag-vosikejirepoxik-rutudolatipoz-fixul.pdfIn PDF document text
- https://dapalaboz.weebly.com/uploads/1/3/0/8/130874192/vibipetulon.pdfIn PDF document text
- https://zarimuxeve.weebly.com/uploads/1/3/4/8/134897304/xomad-vozodikuje-fubufejemowit-redosarubimovur.pdfIn PDF document text
- https://cdn.sqhk.co/navozaxezini/hdcWidl/down_the_hill_video.pdfIn PDF document text
- https://noperutepa.weebly.com/uploads/1/3/4/7/134721309/fikida.pdfIn PDF document text
- https://cdn.sqhk.co/nixivezez/iBgh0jj/mad_bullets_gameplay.pdfIn PDF document text
- https://ditakusoboke.weebly.com/uploads/1/3/1/4/131437623/waguforogawureso.pdfIn PDF document text
- https://cdn.sqhk.co/wisulekekij/ggjjhhh/samsung_gallery_app_for_any_android.pdfIn PDF document text
- https://cdn.sqhk.co/morureju/eiihjhe/cartoon_video_maker_software_free_download.pdfIn PDF document text
- https://widafesisitix.weebly.com/uploads/1/3/5/3/135321065/jibux-lutud.pdfIn PDF document text
- http://dedaruk.scienceontheweb.net/braintree_zoning_map.pdfIn PDF document text
- https://rodelifefi.weebly.com/uploads/1/3/0/7/130776661/a50033.pdfIn PDF document text
- https://cdn.sqhk.co/fotenulutis/8HVjaic/47353330375.pdfIn PDF document text
- http://xokebidukefu.getenjoyment.net/pigojasije.pdfIn PDF document text
- https://cdn.sqhk.co/goberirud/G3igUhf/racing_in_car_2017_uptodown.pdfIn PDF document text
- https://cdn.sqhk.co/xekejegixawo/Q9RhaOI/40944764751.pdfIn PDF document text
- https://cdn.sqhk.co/vadetegubufo/QgeMHe2/defense_battle_mod_apk_all_unlocked.pdfIn PDF document text
- https://sevakozo.weebly.com/uploads/1/3/4/6/134677934/gabukudobavuvuv.pdfIn PDF document text
- https://gavuzolarot.weebly.com/uploads/1/3/4/4/134458525/budexo-mojasaloxowena.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zapusov.atwebpages.com/artabet_book.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00025fd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25FD1 | 5184 bytes |
SHA-256: 59fca053e4bb1a581f44ae4f5275496c3af26c585ea602556487388dc7756994 |
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font_01_sfnt_off00027193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x27193 | 11592 bytes |
SHA-256: c693d73089004a57ddbf86b4249f4175cf32d950d68bbf7fb82abb64ea0cfc84 |
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font_02_sfnt_off0002993c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2993C | 16208 bytes |
SHA-256: fc71bbce7df811a43383ef08bdecc5c2c5a5422fb5628aa061392fa45f0b8eee |
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