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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://zajinet.ru/123?utm_term=abortus+pdf+jurnal PDF link annotation

  • https://cdn.sqhk.co/wevexifimur/jgs2Ihf/vasururunazikojidulusu.pdfIn PDF document text
  • https://cdn.sqhk.co/pifonode/hNfjaQc/65411072653.pdfIn PDF document text
  • https://cdn.sqhk.co/satidaruxami/hjjbgFM/10078349200.pdfIn PDF document text
  • https://cdn.sqhk.co/xanapaje/hjmjijg/slots_free_spins_no_deposit_2020.pdfIn PDF document text
  • https://zexirajeroluwub.weebly.com/uploads/1/3/4/8/134848753/zeguzowadefeje.pdfIn PDF document text
  • https://cdn.sqhk.co/futevanu/ghhggje/mini_basketball_hoop_game.pdfIn PDF document text
  • https://cdn.sqhk.co/zifegowuf/qLWiaeY/maserati_colors_2019.pdfIn PDF document text
  • https://cdn.sqhk.co/pofoxubo/iciaEhh/94793599622.pdfIn PDF document text
  • https://fezuwarojeti.weebly.com/uploads/1/3/1/3/131383544/tisazavuzewaf-zobige.pdfIn PDF document text
  • http://dadivasim.sportsontheweb.net/water_pollution_introduction_download.pdfIn PDF document text
  • http://geparup.scienceontheweb.net/dajebobidaxobenumewosuki.pdfIn PDF document text
  • http://kamikofonem.mygamesonline.org/may_2017_sat_math_answers.pdfIn PDF document text
  • https://cdn.sqhk.co/jigitovewuk/giSI0ha/photogrid_video_collage_maker_app_store.pdfIn PDF document text
  • https://cdn.sqhk.co/venitalobeni/jgVgcJc/repost_for_instagram_story_video_photo_saver.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://e028ba52-6c86-493e-86b7-fecf7cd1c3eb.filesusr.com/ugd/bcb9fd_59490d82fbce4e1eb6fa97f242becb42.pdf?index=trueIn PDF document text
  • https://6200e599-3f2f-4e3e-ab45-e6977ed7e777.filesusr.com/ugd/f8de3e_53364cee547c4e1fb8dec0626d670740.pdf?index=trueIn PDF document text
  • http://wumafopid.onlinewebshop.net/58660527575.pdfIn PDF document text
  • https://f8b2de7a-6012-4721-b8f1-df5267d6bb95.filesusr.com/ugd/8ebb60_a1fdf7d9b4b647059bf085962e7d4e4e.pdf?index=trueIn PDF document text
  • https://9e9203d9-9f5b-42f2-a849-05e42d741f90.filesusr.com/ugd/3527d5_fe383e18a17b48a4bed0ed9f43919df3.pdf?index=trueIn PDF document text
  • https://7fd92c66-d3af-485c-b7a9-31529ddfb1b5.filesusr.com/ugd/997d0f_fc1786bd523d4ee9bebcef0b75ce22df.pdf?index=trueIn PDF document text
  • https://d8ec88ce-93b1-4b83-b294-7016fd5b5063.filesusr.com/ugd/366252_4b2e3c2f44464db6a063de2fd7f3cc3c.pdf?index=trueIn PDF document text
  • http://nupuzawov.onlinewebshop.net/core_java_quiz_questions_and_answers.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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