MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file contains numerous external links, many of which point to SEO-optimized redirectors and PDF files, indicating a link farm or phishing campaign. The presence of a critical heuristic for PDF SEO link farm and a high confidence ML score suggests malicious intent. The primary malicious URL identified is https://kuzutuzo.ru/strik?utm_term=how+does+the+ab+lounge+ultra+work, which likely serves as a lure for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=how+does+the+ab+lounge+ultra+work PDF link annotation
- http://desajegurake.scienceontheweb.net/nemorekijitomofovab.pdfIn PDF document text
- https://s3.amazonaws.com/bejeseja/memories_bring_back_memories_new_song_lyrics.pdfIn PDF document text
- http://lajodibibodi.getenjoyment.net/bronconeumonia_sintomas.pdfIn PDF document text
- https://s3.amazonaws.com/xowasosuf/kelutagekiguloliz.pdfIn PDF document text
- http://penageli.getenjoyment.net/74337234211.pdfIn PDF document text
- https://s3.amazonaws.com/kitakilesa/jelly_belly_49_flavor_guide.pdfIn PDF document text
- http://tefuvawilutir.mypressonline.com/49817711284.pdfIn PDF document text
- https://s3.amazonaws.com/pezofut/alcoholic_whatsapp_status.pdfIn PDF document text
- http://libopadu.scienceontheweb.net/metro_valencia_mapa.pdfIn PDF document text
- http://veselutut.mywebcommunity.org/agricultural_science_textbook_grade_11.pdfIn PDF document text
- https://xadamunakufadi.weebly.com/uploads/1/3/3/9/133986396/27dfecdf0a7.pdfIn PDF document text
- https://vikuregarune.weebly.com/uploads/1/3/4/5/134577585/d0037a.pdfIn PDF document text
- http://copyrightmediahelp.com/world_history_bookppc7q.pdfIn PDF document text
- https://wexejapu.weebly.com/uploads/1/3/1/3/131384175/farijuma.pdfIn PDF document text
- https://s3.amazonaws.com/pexodugosa/relapse_prevention_plan_spanish.pdfIn PDF document text
- http://burrrhey.tech/linear_algebra_solution_spaceymb7z.pdfIn PDF document text
- https://s3.amazonaws.com/farowug/91664669388.pdfIn PDF document text
- https://s3.amazonaws.com/rubidokezive/tixakipolasotenizajinit.pdfIn PDF document text
- https://s3.amazonaws.com/fosawef/puxogozukabaveperawupotik.pdfIn PDF document text
- http://lobabinuladeri.medianewsonline.com/naligibarubuvopatejilim.pdfIn PDF document text
- http://callipakk2.site/31367620545zclhl.pdfIn PDF document text
- https://rabizelen.weebly.com/uploads/1/3/1/4/131453176/vasesazamovibopefa.pdfIn PDF document text
- https://s3.amazonaws.com/zafijukopa/xogosolopukazaxiwopekakil.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fugufaza.myartsonline.com/how_to_construct_a_dilation_with_a_scale_factor_of_3.pdfIn PDF document text
- http://niselasot.atwebpages.com/delete_blank_pages_in_free.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_off0000f986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF986 | 5344 bytes |
SHA-256: ced62d4ac6ee368838126077f9521e649fe7b9eff1adf3d33fbb86c7b3c883a3 |
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font_01_sfnt_off00010bba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BBA | 10576 bytes |
SHA-256: 5d0a8837342232af1b72bab84d02bad2e2024dfefcd6fe782eaa9b5ed5d503f8 |
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