MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with at least one pointing to a suspicious domain ('kuzutuzo.ru') that is flagged as external. Heuristics indicate the PDF acts as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the ML classifier and ClamAV detection strongly indicate malicious intent, likely involving a client-side exploit or redirection to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 5
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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 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/123?utm_term=wood+look+vinyl+sheet+flooring+reviews PDF link annotation
- http://naliputa.mywebcommunity.org/medical_fitness_certificate_for_job_download.pdfIn PDF document text
- http://xugaguf.mypressonline.com/32262773369.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410694/normal_604adcaeb8a70.pdfIn PDF document text
- http://gudelew.mywebcommunity.org/1994_honda_accord_wagon_engine.pdfIn PDF document text
- http://pejazadajenatew.getenjoyment.net/how_to_think_about_weird_things_8th_edition.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445343/normal_604a3dbe5a521.pdfIn PDF document text
- https://cdn.sqhk.co/besudamuge/bmgcieA/31801139947.pdfIn PDF document text
- http://wugegifa.getenjoyment.net/4654933863.pdfIn PDF document text
- https://cdn.sqhk.co/fejisedetu/34g8Upo/subway_runner_endless_rush_running_time.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369189/normal_6028b3e9a86bf.pdfIn PDF document text
- https://cdn.sqhk.co/fugovigul/jboMeig/plants_vs_zombies_2_game_cheats.pdfIn PDF document text
- https://cdn.sqhk.co/tibapopedeka/j1jAFTA/zired.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/7392efa8-2b9c-4497-a930-c746342aee1b/kaleroxojaginami.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3ff38de-2a1b-4fd8-a531-e26b964af11c/cool_white_outdoor_christmas_tree_lights.pdfIn PDF document text
- https://b67fa923-03b4-4d21-b555-95ff628d7525.filesusr.com/ugd/1d4b90_768bc875171c42be8ce2bb3184edbc3c.pdf?index=trueIn PDF document text
- http://bexovivuvere.myartsonline.com/in_praise_of_shadows_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6f07ccc-ff6b-4819-9b1b-8cbd8649f24b/haier_portable_air_conditioner_hprb08xcm-t.pdfIn PDF document text
- https://71e5fc8e-cc9a-4633-96c3-2c70acd464d0.filesusr.com/ugd/f08e01_d44390618c904e40883cb1e3ad5566e9.pdf?index=trueIn PDF document text
- https://67bb8873-ca08-4da4-87c0-60a8072ebff6.filesusr.com/ugd/a838c0_bcd6813c7c3842cb9ec11d7ca10f3ce1.pdf?index=trueIn PDF document text
- https://7fe6b731-3703-45da-bcbe-faf39b4d3392.filesusr.com/ugd/880a7e_e6b06a9732114d918c00cece3fdc991f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bf43c213-a3ca-47ab-9258-e2ab6a5d23c2/polaris_360_rebuild_kit_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae82ec1f-ec06-473f-8eba-70e72ad153f6/john_rawls_theory_of_justice_difference_principle.pdfIn PDF document text
- https://f8d4b294-f952-4a11-85e8-0a3036f9bdaf.filesusr.com/ugd/ad8f3a_40c44e02a6784bd59e37c84ee2094867.pdf?index=trueIn 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_off00011495.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11495 | 5288 bytes |
SHA-256: 2dbc07642c491c795c261b3f728c4cc3df187a857b6b284df2a887cc699100aa |
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font_01_sfnt_off000126b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B2 | 10792 bytes |
SHA-256: acff4b7b8fb767d02125738cad5f58e4b07294b5e1fd1664aad677ee23e075bb |
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