MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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://jacksth.ru/strik?utm_term=introductory+real+analysis+kolmogorov+review PDF link annotation
- https://cdn.sqhk.co/golemejexeno/gcojju4/tagemuwiki.pdfIn PDF document text
- http://vutajazelige.medianewsonline.com/baby_shower_biblico_catolico.pdfIn PDF document text
- http://medemukiduba.sportsontheweb.net/58527919214.pdfIn PDF document text
- https://cdn.sqhk.co/sidogorego/fhh4y1q/dikajojivizak.pdfIn PDF document text
- https://cdn.sqhk.co/sivadapexiri/ihbBhik/street_fighter_4_full_apk_free_download.pdfIn PDF document text
- https://cdn.sqhk.co/vumivatuvi/Biwhgif/55733733423.pdfIn PDF document text
- http://nedavupagisezim.mygamesonline.org/barrons_ap_chemistry_book.pdfIn PDF document text
- http://sizinepizot.scienceontheweb.net/and_gate_project_file.pdfIn PDF document text
- https://cdn.sqhk.co/xiroxozalal/k0jaAgc/video_game_stickers_buy.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sinumulebojufa.epizy.com/black_s_law_dictionary_10th_edition_free_download.pdfIn PDF document text
- http://duxepivol.myartsonline.com/a_travs_de_mi_ventana_descargar.pdfIn PDF document text
- https://s3.amazonaws.com/gedimuta/57259780131.pdfIn PDF document text
- http://fezovinu.epizy.com/matotelatote.pdfIn PDF document text
- http://fegoluvarelewum.myartsonline.com/action_centered_leadership.pdfIn PDF document text
- https://s3.amazonaws.com/xeponodij/secciones_de_una_revista_tematica.pdfIn PDF document text
- https://s3.amazonaws.com/febopa/julius_caesar_act_1_scene_2_questions_and_answers.pdfIn PDF document text
- https://s3.amazonaws.com/mamukawaxatali/62677242471.pdfIn PDF document text
- https://s3.amazonaws.com/tugumeb/22480624472.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_off0000f378.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF378 | 5516 bytes |
SHA-256: 76ef7c3c6eefd8d88af78d30cfb9b0ec8c77480071b4f5bae348d60c82ea0b93 |
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font_01_sfnt_off0001063c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1063C | 11820 bytes |
SHA-256: 5186b882a32745d2e4ee95e9b7fadaaed472c16f8d8ab59b338e32d799285794 |
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