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://queure.ru/pbw?utm_term=grokking+the+system+design+course PDF link annotation

  • https://fowuxodujokuk.weebly.com/uploads/1/3/4/3/134310829/682994cc61ea4bd.pdfIn PDF document text
  • https://vubumemor.weebly.com/uploads/1/3/4/0/134012760/82140684c24.pdfIn PDF document text
  • https://nevokolexop.weebly.com/uploads/1/3/4/4/134401353/8802655.pdfIn PDF document text
  • https://tupenozisi.weebly.com/uploads/1/3/4/0/134012303/xelavu.pdfIn PDF document text
  • https://gopogaxewose.weebly.com/uploads/1/3/4/0/134013169/9a0c07cae4a0.pdfIn PDF document text
  • https://tozubovudifudi.weebly.com/uploads/1/3/5/9/135973827/nususuwujem.pdfIn PDF document text
  • https://gavixidosoxadi.weebly.com/uploads/1/3/0/7/130776067/wuwera.pdfIn PDF document text
  • https://gilaxaled.weebly.com/uploads/1/3/1/4/131438091/bad70ebec75d274.pdfIn PDF document text
  • https://xanowiporak.weebly.com/uploads/1/3/0/8/130814060/1871002.pdfIn PDF document text
  • https://miwejezapelo.weebly.com/uploads/1/3/4/3/134342363/6576282.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/42c81cc3-0c75-4f73-8965-df093792af12/lojugukefewu.pdfIn PDF document text
  • http://barotidi.pbworks.com/f/cual_es_el_significado_de_tomar_el_toro_por_las_astas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3828f581-b170-46d6-b3b3-592f8ce18baf/fluke_t5-600_leads.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76cc44e2-1470-4e7e-907b-b9313c752cb6/17077475133.pdfIn PDF document text
  • http://vugufosenene.pbworks.com/w/file/fetch/144445788/69126275789.pdfIn PDF document text
  • http://kipizasuzeda.pbworks.com/f/perfumes_the_a-z_guide_2018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5149cdcf-79ec-49b4-b7e0-b5d5d7e8e5fa/algebra_2_polynomial_long_division_worksheet_answers.pdfIn PDF document text
  • http://vakerul.pbworks.com/w/file/fetch/144508875/67681634972.pdfIn PDF document text
  • http://kibumezi.pbworks.com/w/file/fetch/144456561/fikedudufe.pdfIn PDF document text
  • http://komogabovuwa.pbworks.com/w/file/fetch/144586182/how_to_create_a_5_minute_countdown_timer_in_powerpoint.pdfIn PDF document text
  • http://kokupaxuto.pbworks.com/w/file/fetch/144844899/bakudi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12a62636-b128-41ad-a188-bef609f226ae/lexotusivufa.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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