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 pointing to disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV both strongly indicate maliciousness. The embedded URLs, such as https://ponafet.ru/strik?utm_term=machine+learning+models+explained+to+a+five-year-old, are likely used to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://ponafet.ru/strik?utm_term=machine+learning+models+explained+to+a+five-year-old PDF link annotation
- https://refapezi.weebly.com/uploads/1/3/4/9/134904673/surabebirebewaj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403672/normal_6035aca665135.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446651/normal_60166292c5514.pdfIn PDF document text
- http://zajiledafalam.getenjoyment.net/vavewajutizukaz.pdfIn PDF document text
- http://bekopomulasebi.getenjoyment.net/mass_flow_rate_formula_for_heat_exchanger.pdfIn PDF document text
- http://vehicleinsusa.com/boarding_pass_invitation_template_photoshop3aw24.pdfIn PDF document text
- http://wapividazofar.scienceontheweb.net/tomb_of_annihilation_download_free.pdfIn PDF document text
- http://bizawojumufa.22web.org/agile_projekte_mit_scrum_xp_und_kanban.pdfIn PDF document text
- http://blekrossi.ru/707301279358108m.pdfIn PDF document text
- https://jukamonasob.weebly.com/uploads/1/3/0/7/130740128/zodojabakimufe_pufijedoni_vegobotab_funojivakekuz.pdfIn PDF document text
- http://wugumonisukanib.sportsontheweb.net/sociologia_criminal_enrico_ferri.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369327/normal_6005d66919516.pdfIn PDF document text
- http://copyright-services-us.com/how_to_get_free_characters_in_contest_of_championsmg44o.pdfIn PDF document text
- http://sodowetan.mywebcommunity.org/tunonadunizezuba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376382/normal_5fe04fbe72e93.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/b0e2823c-86b1-4b47-926a-20f78c38b32c/nicomachean_ethics_book_1-3_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3e7f5558-c6a4-4ce2-9a33-d682e35b23d0/organizational_behavior_18th_edition_by_stephen_p._robbins_and_timothy_a._judge.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dab629b5-d666-4974-8e67-fd4f64c88f8a/how_do_i_connect_my_canon_pixma_mg3620_printer_to_wifi.pdfIn PDF document text
- http://gasanilu.epizy.com/assassin_s_creed_rogue_remastered_pc_game.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c88b16e6-144b-43aa-808a-fbfb145ef505/easy_and_quick_indian_vegetarian_recipes_for_lunch.pdfIn PDF document text
- http://ziwutaje.epizy.com/business_valuation_report.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d93087c6-6063-473d-a075-bb5a5ce610de/girl_with_the_dragon_tattoo_guardian_review.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_off0000f16b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF16B | 5836 bytes |
SHA-256: 311375838fbade88ea653e603f28625bcebbb0b54cedbee7cd8bfb0d5e933305 |
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font_01_sfnt_off00010546.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10546 | 11256 bytes |
SHA-256: 922f4b5b557f7f75f659848f2bc2d154733ee8083c13ccd5eab8522e7dab1d4f |
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