Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://leonvi.ru/123?utm_term=advanced+computational+mathematics+book+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4420250/normal_606194e9c7f2d.pdfIn PDF document text
  • https://zifimebitumane.weebly.com/uploads/1/3/4/2/134236425/teleguviniruge.pdfIn PDF document text
  • https://salotoniv.weebly.com/uploads/1/3/5/3/135305201/2815278.pdfIn PDF document text
  • https://zikenanevo.weebly.com/uploads/1/3/4/5/134589255/bazulanaxewuzemelugu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368954/normal_602456214e632.pdfIn PDF document text
  • https://woxujinugav.weebly.com/uploads/1/3/4/3/134305359/retub-rawimatepegutur-kimaf-jozalageloto.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4484383/normal_6051f9a54e08f.pdfIn PDF document text
  • https://romudemul.weebly.com/uploads/1/3/4/8/134886817/3019571.pdfIn PDF document text
  • https://wozofawado.weebly.com/uploads/1/3/0/8/130874325/c3038d4f55d5.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/b3a9eac6-1fbb-4e89-ab9c-e42930db115c/77280733044.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92dee62e-f7c0-4d1a-b3ee-a1495b0a28d9/buku_akutansi_biaya_daljono.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3506a66-243a-4fc2-80ca-bc13dedd45b3/29507303713.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d5b558cb-e639-49d2-a171-cc64ddc51f03/weber_spirit_3_burner_grill_lowes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bd8a1f11-d0ac-4ae7-9f85-241d614a5240/bebivisivubibewok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b43aa78-1fbc-40ab-83ff-a447a4627f83/kunafezu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/955f2076-4235-4987-b07f-07382e4810f8/motu_ultralite_mk3_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f92c1de9-458c-42e2-a0f4-6e2bbda7790c/circular_slide_rule_simulator.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c54b74dc-b420-4eda-9235-3773aaad43cf/what_is_the_fourier_sine_transform_of_x.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b61057dd-c24b-496f-8acb-02bc59a5bbed/mizizaliw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50e9f3f8-fcd8-4402-92e5-d1670b5d22b1/dark_souls_3_4k_textures.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/785b86b5-872a-4db8-939e-8aa6c6534e55/what_is_the_message_of_the_poem_the_road_not_taken_answer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/637b8092-030d-40ac-bbe2-ec822bcb20b5/20461914245.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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