MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by both ClamAV and an ML classifier. It functions as a link farm, containing numerous external links, with one prominent URL being https://oniceh.ru/pbw?utm_term=simple+complete+and+compound+subjects+and+predicates+worksheets+pdf. The heuristic PDF_SEO_LINK_FARM indicates a significant number of external links, suggesting a potential SEO manipulation or distribution vector for other malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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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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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://oniceh.ru/pbw?utm_term=simple+complete+and+compound+subjects+and+predicates+worksheets+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4459182/normal_600ae93f19762.pdfIn PDF document text
- https://sexedevojaboto.weebly.com/uploads/1/3/2/6/132695366/633633.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455658/normal_5ff811f9bd84e.pdfIn PDF document text
- https://zegirapenutiv.weebly.com/uploads/1/3/4/3/134393596/1d4e92c4d9350a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4531626/normal_5fde35703e000.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408463/normal_5fe41fbcc866e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/c636c5a8-3752-4f6c-8199-2e3339495eab/berliner_platz_1_neu_deutsch_im_alltag_intensivtrainer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59a19ed4-c659-46ff-b2ca-c67b33c40463/delumo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db4a7e5a-80f3-4875-a62a-5a77852731f1/26996187191.pdfIn PDF document text
- http://fatakalewene.pbworks.com/f/the_incredible_hulk_2_full_movie_in_hindi_download_720p_filmyzilla.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e4213364-9436-475d-be21-5043b2b526a3/torunukoniledawusiji.pdfIn PDF document text
- http://kevuxezedila.pbworks.com/w/file/fetch/144605742/multiplying_and_dividing_scientific_notation_word_problems_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d72efe5f-637a-49a0-bf5e-84ffa69742a8/xatigomobu.pdfIn PDF document text
- http://wojoxevom.pbworks.com/w/file/fetch/144778839/48655918793.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63dd3438-16e6-478c-9430-fc7d203cb4c0/how_do_you_turn_off_microsoft_wireless_keyboard_850.pdfIn PDF document text
- http://lokiboz.pbworks.com/w/file/fetch/144474435/dibujos_de_navidad_para_imprimir_y_colorear_de_los_reyes_magos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8382851e-cb81-4087-b507-902c074a0496/xazasixofufetoxazufijo.pdfIn PDF document text
- http://mazibudikor.pbworks.com/f/hitchhikers_guide_to_the_galaxy_2005_full_movie_free_online.pdfIn PDF document text
- http://pilujibos.pbworks.com/f/alldata_repair_2018_full_espaol.pdfIn PDF document text
- http://ridelox.pbworks.com/w/file/fetch/144468477/2.3_calculo_de_integrales_indefinidas_ejercicios_resueltos.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_off00010fb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FB1 | 5872 bytes |
SHA-256: 0613c47fea88f6a146ed799c3696223d29cfa63a355da113c8b9f2ccd203080c |
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font_01_sfnt_off00012390.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12390 | 11528 bytes |
SHA-256: 533a31a551a3bb7b4b18519f0254e488b0633f81f90f48a032d6d6e3844d8b4b |
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