MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many of which are hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The primary URL, https://ponafet.ru/123?utm_term=libros+de+auditoria+interna+pdf+gratis, is likely part of this scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
Heuristics 6
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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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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://ponafet.ru/123?utm_term=libros+de+auditoria+interna+pdf+gratis
- https://rulewosiziruzo.weebly.com/uploads/1/3/0/7/130739522/b1ad5.pdf
- https://bebujufexuxiki.weebly.com/uploads/1/3/4/6/134624407/fajinoxizagak.pdf
- http://freud.icu/2019_can_am_outlander_650_service_manualv2qfn.pdf
- https://cdn.sqhk.co/tasaxasup/vidhcBU/50303959716.pdf
- http://notdull-eng.online/shield_hero_light_novel_19tkjzb.pdf
- https://cdn.sqhk.co/zarepowake/gXxdeoR/2175574877.pdf
- https://ginugifugebiner.weebly.com/uploads/1/3/4/2/134234672/wiker.pdf
- https://cdn.sqhk.co/jemitaso/Hihgcii/slam_dunk_festival_2021_lineup.pdf
- https://cdn.sqhk.co/pijovowifil/Ligv7TD/the_woman_in_the_window_movie_2018_cast.pdf
- http://comp-arenda.site/what_is_needed_for_drivers_permit_in_pamit8l.pdf
- https://sanupeden.weebly.com/uploads/1/3/5/9/135961416/9610922.pdf
- https://cdn.sqhk.co/kefekawit/gjSs5jg/70391310397.pdf
- http://dayzcommunity.info/nosutikenfsej.pdf
- https://levevozupub.weebly.com/uploads/1/3/1/4/131407214/2bb25.pdf
- http://greyfruit.space/yasin_suresi_mp3_indir_download_dinle9rozc.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/levovod/conditional_sentences_worksheet_esl.pdf
- https://uploads.strikinglycdn.com/files/4f9fe50d-b93e-492f-a2b5-e5e35d8cfa32/4612862134.pdf
- https://5e446c31-fcb6-4427-a178-91ee45bbff8b.filesusr.com/ugd/4e76b8_afb79e68c0474a8fb4a80b1aa880b77c.pdf?index=true
- https://56352102-112a-4456-a677-0775450c4ed3.filesusr.com/ugd/ed4e87_fbc262d99d1a4002950b2f1d7dd406d1.pdf?index=true
- https://uploads.strikinglycdn.com/files/45a336a0-b250-4a7b-b4e0-ee95d65e5047/fejarajupina.pdf
- https://e7e1611e-f78d-4dfd-b5ce-3be5f579732f.filesusr.com/ugd/4b76a6_967e08b96bcc4b11b9474514c6d47bc1.pdf?index=true
- https://s3.amazonaws.com/wujanozo/pelibezexexabuwaju.pdf
- https://uploads.strikinglycdn.com/files/34ba0841-0e53-4a0d-9317-514bb565908a/kowirinap.pdf
- https://uploads.strikinglycdn.com/files/60cefb94-48c3-4dbd-9c62-f2320c4ba579/how_to_search_history_by_date_in_linux.pdf
- https://434dcbc4-7bd9-40fe-99bf-e102daebf961.filesusr.com/ugd/07ef24_b0c80b6f7c734d448a34c98181ea995d.pdf?index=true
- https://s3.amazonaws.com/legobegutulo/fundamentals_of_heat_and_mass_transfer_8th_edition_hardcover.pdf
- https://uploads.strikinglycdn.com/files/cfe17a19-09e2-4017-8641-43f4a7027515/determine_the_force_in_each_member_of_the_loaded_truss_chegg.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010166.bin49d3071d9d5e0fa238b70078b09f61441f323543356733aa719c0819136d3bd6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10166 | 5260 bytes |
font_01_sfnt_off00011351.binf682616673c8f2fbb1a1fb9b25dd75a88c22406d2820c94d008bff3033a744d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11351 | 12768 bytes |
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