Malware Insights
The PDF file contains numerous external links, many pointing to disposable hosting, and one specific URL `https://soxebez.ru/strik?utm_term=70-412+administering+windows+server+2012+r2+lab+manual+pdf` which is flagged as unknown reputation. The heuristic `PDF_SEO_LINK_FARM` indicates a large number of external links within the document, suggesting a link farm used for SEO manipulation or to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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 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://soxebez.ru/strik?utm_term=70-412+administering+windows+server+2012+r2+lab+manual+pdf PDF link annotation
- http://depafelevan.22web.org/nebubozotonofimifugobiji.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383149/normal_6063c81056e1d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451225/normal_5ff8f42493247.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421940/normal_5ffbbfd4e9d66.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411921/normal_602d402a9a5f3.pdfIn PDF document text
- http://logowiwubapokar.iblogger.org/xuwevovewofa.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/ce349363-48b8-4a35-80b8-17ac82f4c0c8/is_reward_better_than_punishment.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b97bc350-3bb4-4f4c-8654-99b316d9f148/dd_3.5_class_guide.pdfIn PDF document text
- https://5b3fc17b-a4fb-4144-9a53-ff617e35bc6a.filesusr.com/ugd/696117_e90a6bd964e9485a849d615e18c45021.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0e32687c-2add-4fa1-8f78-e65ef3f10ea6/samsung_65_uhd_4k_smart_tv_nu7100.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5af0886-6aec-4288-a7be-8c50d30f7a61/18764287168.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/32bc9c2a-d522-425c-92bd-6a2fad793348/seven_hermetic_principles_explained.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2ee77933-91a7-467c-8b9e-7b516df667e2/do_it_yourself_projects_for_home_decor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1b62ed7-a3e4-4c0a-a0a6-0470269fbeb3/59685887965.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c1376c0-f338-46ea-89a5-373180455b9c/miwumiwiw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e64059de-57a9-4c9c-a103-32b31ffc2df4/72506355686.pdfIn PDF document text
- http://mosasawimip.epizy.com/ccm_exam_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6facc81b-1dd6-4766-b790-2d39b0d8c38f/how_to_fill_a_self_declaration_form.pdfIn PDF document text
- https://95e354e6-8561-4e52-807b-deb85f3b5fdd.filesusr.com/ugd/ca9b0a_8cc6764cff9a4461b7b9dc4c4bf3b8ed.pdf?index=trueIn PDF document text
- https://0a497e50-07dd-462d-832d-d8678f741a8e.filesusr.com/ugd/5f857b_094f8b8966274c6eb5fa632379638bb4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9e904ff2-e45c-458d-8677-54f4ce98f8d4/english_grammar_books_in_urdu_download.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_off0000de2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE2F | 6084 bytes |
SHA-256: 5c0aa4330695e02faca3b91c5365d3104c90780a65624ddde639e5e99b64c0f7 |
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font_01_sfnt_off0000f2f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F4 | 10776 bytes |
SHA-256: 3505a973c71766f2dba89fe2a1975f4d98b8b0def064542fa78268e2271fd8b3 |
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