MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the presence of numerous external URIs and the 'PDF_SEO_LINK_FARM' heuristic suggest the document is designed to redirect users to potentially malicious content, possibly for credential harvesting or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 7
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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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://soxebez.ru/strik?utm_term=cfa+level+1+economics+pdf+2018 PDF link annotation
- https://litisenos.weebly.com/uploads/1/3/1/0/131071047/bugubo_metazuvepaz_fipumubokezebog.pdfIn PDF document text
- https://vipapixamez.weebly.com/uploads/1/3/0/8/130814430/481ad902589a3d.pdfIn PDF document text
- https://sikufotoxatufik.weebly.com/uploads/1/3/4/4/134458503/vofulawemov-zitasibaxaxewa.pdfIn PDF document text
- https://cdn.sqhk.co/nedabuke/uighfDs/potbelly_sandwich_shop_austin_tx.pdfIn PDF document text
- https://cdn.sqhk.co/darojopul/jdwfgjk/word_game_apps_to_win_real_money_2020.pdfIn PDF document text
- https://tewawabuse.weebly.com/uploads/1/3/1/4/131437503/e77bfa8.pdfIn PDF document text
- https://cdn.sqhk.co/jubawiwa/BGexifx/anthem_of_heroes_android_mod.pdfIn PDF document text
- https://cdn.sqhk.co/kowumutajaw/hb6AXK5/48077674860.pdfIn PDF document text
- https://cdn.sqhk.co/lilaxikixo/Eagidct/desiwuxukurekenaxu.pdfIn PDF document text
- https://cdn.sqhk.co/zupisopad/heudjd6/95733653889.pdfIn PDF document text
- https://cdn.sqhk.co/jelobasuzet/iaCA2Ib/xevukewipanesazizan.pdfIn PDF document text
- https://cdn.sqhk.co/ribafesupuro/Hifhihh/88772120073.pdfIn PDF document text
- https://jolejijiwunepa.weebly.com/uploads/1/3/5/3/135334118/febipujed.pdfIn PDF document text
- https://tadirexexex.weebly.com/uploads/1/3/2/6/132695418/gipep.pdfIn PDF document text
- https://cdn.sqhk.co/jenireni/hb9haab/download_the_dark_pursuer_mod.pdfIn PDF document text
- https://noxetetejiv.weebly.com/uploads/1/3/4/3/134391164/diduvowabi-vokitopab-miraxowala.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zarusegibitumet/autocad_3d_dwg_to_2d.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61884e03-c001-4307-b9f9-7b14b7705dfb/excel_if_formula_list_with_examples.pdfIn PDF document text
- https://s3.amazonaws.com/paxunu/87546634594.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19daa72b-34b4-4917-9e7d-6b4694d4407d/98361242902.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5da73e78-2020-4228-b226-272fd853f5c0/19113745370.pdfIn PDF document text
- https://s3.amazonaws.com/gozifep/who_was_the_youngest_person_to_read_war_and_peace.pdfIn PDF document text
- https://s3.amazonaws.com/sigobija/arms_reach_euro_mini_arc_co-sleeper.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6099c49-7686-4110-8812-ec8058b386ba/ejemplo_de_diagrama_de_flujo_con_algoritmo.pdfIn PDF document text
- https://s3.amazonaws.com/wamatasamegu/muridarakivuzazuwixut.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1cf8a9c2-0423-4113-81f4-3beb58664adb/89116669221.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_off00010659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10659 | 5692 bytes |
SHA-256: 04e0d80cee5482fc9402fd28aef8043b34ce0d56b1d84db2fde440a2e8763795 |
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font_01_sfnt_off000119b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119B8 | 11432 bytes |
SHA-256: 567926d611e09b5cba6ac819959371c045160b23d0722453f5af8dbcb0ec1730 |
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