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 0.9998
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://bologen.ru/strik?utm_term=black+hawk+down+book+report PDF link annotation
- http://antinomi.design/puzololuguxizafumatole4a17u.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417426/normal_605847525c237.pdfIn PDF document text
- http://pafowitowa.medianewsonline.com/apache_poi_docx_to_sample.pdfIn PDF document text
- http://jabofedu.sportsontheweb.net/tratamiento_del_absceso_pulmonar.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451229/normal_6026856c4800b.pdfIn PDF document text
- http://sadovik.me/who_should_you_side_with_in_outer_worldsfm7og.pdfIn PDF document text
- http://glasshookahcatering.com/steamers_restaurant_hilton_headxbssv.pdfIn PDF document text
- http://sutovuresas.mygamesonline.org/fuerzas_intramoleculares_e_intermoleculares.pdfIn PDF document text
- http://mamajan.space/kitchen_craft_microwave_egg_boilers_instructions012ii.pdfIn PDF document text
- http://lestyprin.online/bash_script_input_variable_from_filetyvji.pdfIn PDF document text
- http://pro-gram.pro/bukalote8xc5p.pdfIn PDF document text
- http://4escam-bot.online/fnaf_the_silver_eyes_audiobooktyoei.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://palelezugob.onlinewebshop.net/rhythm_strip_interpretation_for_nurses.pdfIn PDF document text
- https://5c839259-519f-4cee-a1a2-6639d654070b.filesusr.com/ugd/140efa_a34e52f913ff4d9e9b37180aefa04780.pdf?index=trueIn PDF document text
- https://ed457e25-7262-4bf7-b769-9a3df1da8a49.filesusr.com/ugd/60ac0c_e6cdf3e4e85d4d07be0271c9a021d894.pdf?index=trueIn PDF document text
- https://49d0234c-aae4-472d-9cb9-6192e9e03354.filesusr.com/ugd/a63595_5a0b882eaa274615bb5adb922a55825f.pdf?index=trueIn PDF document text
- https://be9c8297-50e9-4ec8-be22-7cc4068ef96a.filesusr.com/ugd/fc3b0b_62a2c3448c4f4cabb19cffeb67e105e1.pdf?index=trueIn PDF document text
- https://2634c7da-0b58-4de1-95e3-ef2217a723ee.filesusr.com/ugd/f934bc_a2d834c7144b486d8b8679c49892fa68.pdf?index=trueIn PDF document text
- https://be8f41f0-9ddd-434d-ab6d-aa755a40b80d.filesusr.com/ugd/726d9c_1776e3d9dfe449749e26cab08e7ab403.pdf?index=trueIn PDF document text
- https://e05653fc-386e-4c8b-889d-738aee72c63e.filesusr.com/ugd/62421a_d2369e5e845f4b1eb7136335a6d8d7d5.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_off0000ed7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED7C | 5328 bytes |
SHA-256: 98ceb86f68fb06980a8687521b0b6a7edfdf055604a3a74aa8058fa282920b2b |
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font_01_sfnt_off0000ffa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFA3 | 10168 bytes |
SHA-256: c521dd41c400be46db56e409ce6e7fb8dd6deef74ad1f931748c4e020dae9262 |
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