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://pelibifir.ru/award?keyword=livro+linguagem+e+argumenta%25C3%25A7%25C3%25A3o+jur%25C3%25ADdica+pdf PDF link annotation

  • https://cdn.sqhk.co/zasokolof/FWvjgib/81213460289.pdfIn PDF document text
  • https://cdn.sqhk.co/pemazekefise/hggjhc8/word_games_that_pay_you_money.pdfIn PDF document text
  • https://cdn.sqhk.co/dixejetafap/Gfhha5Z/rechargeable_batteries_disposal.pdfIn PDF document text
  • http://lg-copyright.com/pekatamitrxcnj.pdfIn PDF document text
  • http://car-test.pro/biology_practical_book_class_11_gseb23sv4.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/28e8e6be-51d2-44ba-a185-e43de818c39b/sims_3_64_bit_windows.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e38bf057-b375-4715-add1-485036097485/3115569468.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c6d8223-d35c-4a8b-a63e-7b417b45d533/vatodovadirugikuviduwube.pdfIn PDF document text
  • https://52ed6390-a5c1-4502-9f93-599cf6d98ad1.filesusr.com/ugd/f7fbc8_f256ae1357fa4fd0bca18d0c6a8cfd38.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/supefujoxopubu/34887320723.pdfIn PDF document text
  • https://s3.amazonaws.com/gedexim/22472894033.pdfIn PDF document text
  • https://s3.amazonaws.com/setikizo/budikeset.pdfIn PDF document text
  • https://7aff118d-26f6-4d76-9bc9-1838009e7274.filesusr.com/ugd/f80014_ad51433ef4564893a9999105105b124a.pdf?index=trueIn PDF document text
  • https://04a80c79-134c-446e-801b-0c1635678e59.filesusr.com/ugd/5cebf8_6f7071e1efe54c7fabc6782429ccb08c.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/zidosozawok/rinuka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a2d13d1-1042-454d-89c5-d8437b66d2f2/short_answer_study_guide_questions_to_kill_a_mockingbird_chapters_15-17.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a57c999-54d3-4587-a7e3-985c7333e421/27985622367.pdfIn PDF document text
  • https://af431a04-9ebc-4ea4-a98d-45e4ffbfad14.filesusr.com/ugd/485053_955471242f76417d8dda6573409c6d5b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/365e4c36-cfb1-498a-9ade-4aa9e999c146/42034338264.pdfIn PDF document text
  • https://6ae5a9c1-8526-45f7-b068-03ddf2465b28.filesusr.com/ugd/87f732_86136e38d8ed4b01985e0f6cb8353ccc.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a8e7a47-24f5-40f8-8b94-900a8ae8edf9/2005_infiniti_g35_automatic_transmission_fluid_change.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c04d321-8875-4908-a522-7cff66bb6bce/dsl-2750u_firmware_update_file_too_large.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41c357cf-ab65-4cf1-9d76-53d0af43ee88/brother_cs6000i_sewing_machine_needles.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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