MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous external URIs, many hosted on disposable domains and configured as a link farm, strongly suggests a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, indicating it was likely generated programmatically to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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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 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://nipisod.ru/strik?utm_term=what+are+some+popular+german+names PDF link annotation
- http://medebupima.sportsontheweb.net/2019_sv650_service_manual.pdfIn PDF document text
- https://cdn.sqhk.co/zarejesorufo/giliddc/stickman_fight_shadow_war.pdfIn PDF document text
- https://cdn.sqhk.co/momujolo/fhbhigh/lucky_block_minecraft_pe_server.pdfIn PDF document text
- http://shopmzm.site/ada_guidelines_2018_hba1cwcj4l.pdfIn PDF document text
- http://xuwuvewisin.mypressonline.com/80275125870.pdfIn PDF document text
- http://siviveko.getenjoyment.net/average_salary_for_entry_level_business_analyst.pdfIn PDF document text
- http://poopo.ru/army_height_and_weight_standardswtn7m.pdfIn PDF document text
- http://otshelnik.net/gujarat_samachar_epaper_bhavnagareyff5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393763/normal_5fe47b458a56a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454543/normal_5fd10e4ee2be0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470019/normal_601e50d266e1f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459621/normal_60121b7d4897e.pdfIn PDF document text
- https://cdn.sqhk.co/sosobigawe/gejaunE/retract_battle_royale_game_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386824/normal_5fe63a2f63542.pdfIn PDF document text
- http://fukuzowi.sportsontheweb.net/farijoletibupu.pdfIn PDF document text
- http://markettop.pro/what_to_do_when_gas_heater_is_not_working0xilt.pdfIn PDF document text
- http://reawont.online/happiness_advantage_book_club_questions6sp6n.pdfIn PDF document text
- http://003-center.ru/penny_stocks_20216osah.pdfIn PDF document text
- http://sberbank.services/antigona_texto_completodq6uw.pdfIn PDF document text
- https://cdn.sqhk.co/tajudozizif/etiajju/kids_paint_by_numbers.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wonanikapudidak.atwebpages.com/kadegavilunu.pdfIn PDF document text
- http://zepizevut.atwebpages.com/vilewinuxipiviwuxomiked.pdfIn PDF document text
- http://noratev.myartsonline.com/fender_frontman_25r_guitar_amp_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_off000104ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104EC | 5248 bytes |
SHA-256: 9cdc1d952d92c7e89789ef3f23ac750d98ffafacabe79235f9dddd7e5eba58c4 |
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font_01_sfnt_off000116a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A6 | 12200 bytes |
SHA-256: 2ebd940d91d0a00a042452c86ef67eacdbdbabfee4a238e4058e3157a476f558 |
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