MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by both ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. The primary URL, 'https://leonvi.ru/strik?utm_term=d%2526d+5e+werewolf+character', appears to be part of this scheme. The document body was unreadable, but the heuristics strongly indicate a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://leonvi.ru/strik?utm_term=d%2526d+5e+werewolf+character PDF link annotation
- https://cdn-cms.f-static.net/uploads/4459631/normal_6009c1856dca3.pdfIn PDF document text
- https://piworanup.weebly.com/uploads/1/3/2/6/132681558/5856461.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367925/normal_602b0047c46bc.pdfIn PDF document text
- https://kusafulidofet.weebly.com/uploads/1/3/4/0/134017607/kexetidiridotoditide.pdfIn PDF document text
- https://cdn.sqhk.co/tutabalero/icijqpI/23671928950.pdfIn PDF document text
- https://cdn.sqhk.co/tokarikadez/giIMhgR/knife_dash_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/jagugide/ziigjib/movie_night_decorations_for_sale.pdfIn PDF document text
- https://cdn.sqhk.co/zexetiminav/Vghijhd/betting_tips_free.pdfIn PDF document text
- https://cdn.sqhk.co/rubogomuweme/biVuWiY/pudding_monster_4-_24_3_stars.pdfIn PDF document text
- https://rixolojujosu.weebly.com/uploads/1/3/4/6/134622111/rijil.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381102/normal_603a005b07e06.pdfIn PDF document text
- https://pukuxenusafo.weebly.com/uploads/1/3/4/7/134711282/zawifakuxi.pdfIn PDF document text
- https://depumubawaminuk.weebly.com/uploads/1/3/4/2/134236244/fugirabiwujiguleror.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://69f7c7ec-f776-4f8b-90c4-e8126cd531e3.filesusr.com/ugd/772020_23ce09f0b22247b08d1d8bee4f736ee9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/97e323ed-7af1-4efa-8283-b303cf329ec1/nabisalenewap.pdfIn PDF document text
- https://s3.amazonaws.com/niwotipugonuvoz/fojimabuguwoz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8550f8a3-0125-419e-b36c-f7af1d82b4e5/onkyo_tx-nr616_receiver.pdfIn PDF document text
- https://s3.amazonaws.com/zagapaxa/54673673927.pdfIn PDF document text
- https://s3.amazonaws.com/tosevud/60557946025.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2c5227f-8735-47e0-b2f1-c0124da52bf4/pedunafeliru.pdfIn PDF document text
- https://d8acad56-eb9a-42d1-a06c-a695c5b02328.filesusr.com/ugd/0ad6c7_73bf268283fc4d0c8ea63d5ca802c655.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a95f41c0-104d-4b78-be39-7ee7afc7055f/8688419716.pdfIn PDF document text
- https://9cf93ecd-64ee-4ad6-afcc-f350577a7522.filesusr.com/ugd/c4dbd3_2f0c99aad6f64ba0a8e8ade4be01942a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c8ee3ba6-3428-4b9d-a333-0cce475d88e1/35836081945.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_off00015493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15493 | 4156 bytes |
SHA-256: 9253c4ec90eb8b217ae91b3aef6412788d3d1419415539c5cfb70110cf842fd1 |
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font_01_sfnt_off000162c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x162C1 | 14012 bytes |
SHA-256: eca36ccf5bfad7671ca6514e94f1ffb57bc842cae44273ed72de732d0b47ccfa |
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