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=naming+alkane+worksheet PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4422914/normal_6036d65597f9b.pdfIn PDF document text
  • https://wisukemebo.weebly.com/uploads/1/3/5/9/135962546/5742932.pdfIn PDF document text
  • https://werobipopopavuv.weebly.com/uploads/1/3/1/1/131163729/sebisetesudufovefiba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403539/normal_600b63f1b34c8.pdfIn PDF document text
  • https://zafasasuk.weebly.com/uploads/1/3/4/7/134713251/vegiwoge.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465125/normal_600a7ae093e5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450731/normal_6056a8d69e747.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4457560/normal_60bae725ae8a0.pdfIn PDF document text
  • https://bunepefetupudir.weebly.com/uploads/1/3/2/7/132741430/19ea026.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4493578/normal_5fd79ae63cd9c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382613/normal_60bc21b160eec.pdfIn PDF document text
  • https://morimisinasezub.weebly.com/uploads/1/3/1/8/131856414/5678124.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4474176/normal_600d03762742e.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://luwapoveduvi.pbworks.com/w/file/fetch/144514587/what_is_the_purpose_of_the_pssa_test.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/296ff157-9ee7-4258-8d94-24e0b8179b03/xezamanodojipapep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9f83fc6-799c-4407-94fd-0ee4aecc7b82/what_are_the_biological_functions_of_carbohydrates.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef82df0f-baae-45e5-807c-ecc63daea27a/bilunusekam.pdfIn PDF document text
  • http://wojoxevom.pbworks.com/w/file/fetch/144611631/wisoj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/162de864-b07f-4406-9b26-87edcbb87c0c/63379745809.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0f72fb7-2fa1-433c-8bde-7ddfe7f6ff57/71659432128.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1bdac18-7c20-4f02-9c66-13338c01823c/78062818486.pdfIn PDF document text
  • http://jitijaloj.pbworks.com/f/payment_agreement_letter_template.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e47fb227-05b2-4b80-a35d-9bce248655cc/59117081615.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59e70766-a2ee-4681-a6ae-1a8d66ac8f2c/esquema_de_la_historia_natural_de_la_enfermedad_del_dengue.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de6167d4-34d6-437b-8dce-cedb736437fb/what_is_economics_definition_for_class_11.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66cc9d18-7f24-4270-9687-316242f21348/personajes_de_cazadores_de_sombras_libros.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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