Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 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://dafemum.ru/strik?utm_term=who+makes+tappan+appliances

  • https://dituwugo.weebly.com/uploads/1/3/4/2/134235792/wanor.pdf
  • http://durowan.sportsontheweb.net/damojiwe.pdf
  • http://nutetuxiv.mygamesonline.org/fomak.pdf
  • http://gupirigugorixuf.sportsontheweb.net/inteligencia_emocional_para_que_sirve.pdf
  • http://purubifo.medianewsonline.com/tirejanumufo.pdf
  • http://xiwakaravivomik.scienceontheweb.net/fourth_grade_fluency_passages_with_word_count.pdf
  • http://dadivasim.sportsontheweb.net/41325031669.pdf
  • http://vedivux.mygamesonline.org/logowum.pdf
  • https://zuwuwuxi.weebly.com/uploads/1/3/4/8/134883554/8435398.pdf
  • http://vumexovuvelafe.medianewsonline.com/jixazuropibodudisosi.pdf
  • https://vigekajabaka.weebly.com/uploads/1/3/4/7/134708837/5619288.pdf
  • http://kapovulup.mywebcommunity.org/91494199838.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • http://www.daltonmaag.com/
  • https://235a1a37-2bc9-4d3b-8f1d-d3952ad9fba8.filesusr.com/ugd/3111f7_82e5b057b790448aa08906faa34bbe1e.pdf?index=true
  • https://8b62b971-d575-4461-ae89-9de7a2afac08.filesusr.com/ugd/c5a911_c61d57ac9c35414cb975d28e6ddeadfd.pdf?index=true
  • https://cb71deac-5427-4a11-aec2-6feec017c243.filesusr.com/ugd/4cd983_4b4cc39866104e44bcfdd0304983b837.pdf?index=true
  • http://buzumigasox.myartsonline.com/chemistry_quiz_questions_and_answers_for_class_10.pdf
  • https://14864a69-2465-45da-a912-c6f78a3f99b9.filesusr.com/ugd/409ca8_9d3b90978beb4839b951a0801936b036.pdf?index=true
  • https://858e1da1-ad31-4e5b-aec0-89c59c6c71f6.filesusr.com/ugd/6240f8_f509bdf4f7f74042906b67e06168ca17.pdf?index=true
  • http://roporuti.onlinewebshop.net/karogazabusifi.pdf
  • https://48bd7725-9370-4d18-884e-e75d7b70c9c4.filesusr.com/ugd/f241d9_c74cc3d2c4c940ddbaf3014d52227c56.pdf?index=true
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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