MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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 0.9996
Heuristics 6
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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 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://kuzutuzo.ru/strik?utm_term=sakurai+advanced+quantum+mechanics+pdf PDF link annotation
- http://vodoroding.info/623474745811njpa.pdfIn PDF document text
- https://pazolumaf.weebly.com/uploads/1/3/4/3/134356568/befizafunegu.pdfIn PDF document text
- http://fruitslope.online/77188377487gmo3a.pdfIn PDF document text
- http://sungo1.space/39616384171iyvvd.pdfIn PDF document text
- http://profmaster74.ru/char_broil_4_burner_gas_grill_replacement_partsqz0dj.pdfIn PDF document text
- http://invitesistem.ru/russian_grammar_exercisessvjn0.pdfIn PDF document text
- http://itravelimpressions.com/business_plan_template_simple_ukg0to3.pdfIn PDF document text
- http://tcerkovniekupola.space/the_endless_summer_movie_quotes515iv.pdfIn PDF document text
- http://virnet77.ru/how_to_refill_a_boiler_heating_system2zaeu.pdfIn PDF document text
- http://dommasters.site/46729377908hyx4x.pdfIn PDF document text
- https://pixamowogiru.weebly.com/uploads/1/3/4/5/134590731/lolenedivadetuxulif.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/feef5229-b836-4ccd-a3e6-d59a4b060132/2786020956.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/747ec2f0-f963-4ccc-8989-3904ab918f77/93335145799.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ee244d5-7e89-4da4-b0af-790ff4cb0ef8/54355447245.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/33f529b3-a268-4217-93e2-92b68b9ebea0/canon_ip90_printhead.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/57614202-2eb4-417f-a37b-72b4a657812d/jenn_air_microwave_convection_oven_combo_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/875eb14a-9d33-4aca-8e2e-816726fb1007/princeton_offense_basketball.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/41d9ded1-04ca-4c53-ae33-4253c7ab2293/wii_u_release_date.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc225af6-b240-4a97-a002-03897d3f1874/the_end_of_the_affair_graham_greene_read_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/31ec65ed-55c1-4508-8f1f-68069c000c6a/how_to_change_time_on_panasonic_kx-t7633.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/276b02c7-5284-4680-b240-6e3bffef5bb9/pipe_fitter_all_tools_name.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3bb6959-9fa2-4a75-9575-9c404cf1446f/wekelatukivaginutupogop.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_off0000ed1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1F | 5716 bytes |
SHA-256: 6c2a0bedb7fc0c1f96fda9eb0943c7cb035fcd5434db3589a8949295ce88aea4 |
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font_01_sfnt_off00010071.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10071 | 11908 bytes |
SHA-256: bef4721dbcada0301889e08bfcd5eceef608476192bd42dcbc00aecb10ef7dde |
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