Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small 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.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The 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.
• Embedded URL info EMBEDDED_URL
  One 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://xajibur.ru/wix?keyword=holt+handbook+second+course+answer+key+chapter+1 PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4380068/normal_5ff27738c4e25.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4452169/normal_6003991ce4bc7.pdfIn PDF document text
  • http://rozujed.sportsontheweb.net/juwofelefumulixum.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413228/normal_600f2449d5458.pdfIn PDF document text
  • http://fukazab.mywebcommunity.org/83287981838.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/31a985aa-6820-40e6-b32b-419608ccf6ec/mapijuwotisuvej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a8083b17-fd73-4e60-887e-c9b7c9769204/where_is_the_defrost_timer_located_on_fridge.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2478ab9-731d-4919-9cb4-e7b6ea08dd0c/72263399379.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45807a0f-cfae-4576-ba29-1754bcd49a3a/the_beautiful_and_the_damned_characters.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d61c89f-b665-46f1-aa23-2f938eb9ff4e/the_scarlet_letter_book_summary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0a0a749-aa24-4dfd-945a-1a21a19a2b40/bodobikegadalig.pdfIn PDF document text
  • https://cc6d8859-fc08-4100-a073-55b48c5addfc.filesusr.com/ugd/238140_e380b9a588bc4000a11656659d63d061.pdf?index=trueIn PDF document text
  • http://josuxak.atwebpages.com/38798243399.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42698d55-e0ec-47c2-b441-e0b1b4894c4a/instruments_used_in_qualitative_research.pdfIn PDF document text
  • https://cc968bdf-8a18-4a65-a72d-893c706ef441.filesusr.com/ugd/bae363_4411e54e00ec4495b61c542395efcf49.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/50106e05-083e-4405-88b7-41c4b8d9ce7a/twisted_tea_alcohol_content_tall_boy.pdfIn PDF document text
  • https://5a8aee2d-3d68-4c09-98ed-743c9c56d6fd.filesusr.com/ugd/460efe_c6c93da1882e4aa2a121610eab4dbbe7.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/22cbe744-26dc-4816-a04b-d674cf7b0293/introduction_to_machine_learning_with_python_by_andreas_c._muller__sarah_guido.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d17181e-9e14-4d1e-8242-350cc95ef3ca/lateral_thinking_techniques_example.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1bd7f9c-bb95-4b79-9706-86778dc6d971/tipo_de_texto_trama_y_funcion_del_lenguaje.pdfIn PDF document text
  • https://081e7fb2-604d-424b-9b75-a58d54a71a44.filesusr.com/ugd/abd6ea_1777824134844bea9f36fcae88ee584a.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1939fda-1621-47ba-84ec-87f41ae60a33/84100114443.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

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