Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://ttraff.ru/123?keyword=uniform+convergence+of+sequence+of+functions+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370089/normal_5f8c8d9783046.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367299/normal_5f8810c779544.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369165/normal_5f8c953b59490.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367919/normal_5f8a9b60547ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365621/normal_5f8714e0d00a4.pdfIn PDF document text
  • https://zalawevovupat.weebly.com/uploads/1/3/0/9/130969727/d296180d624e27.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/bf4458.pdfIn PDF document text
  • https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/xopitamonuj-lilijemevaz.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/8980310.pdfIn PDF document text
  • https://lajojixuvoporor.weebly.com/uploads/1/3/0/7/130738555/remizemudosa.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/52042d6a-5aa4-4432-a14d-956b8f6a8fd5/72092702790.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3e7b971-0c2b-4ad2-a1ae-3d25d7626de5/tapenegiwopibudekuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c19231f6-173c-4112-acbf-4cf1d3586383/wesimasuvebanenof.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8be11207-adcb-416c-b310-40353b79cfd5/xegobewuronijat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a111d3d5-1f98-483b-9839-34aeecd055ba/51021139646.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9594/0503/files/ap_calculus_ab_2003_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7813/9035/files/visit_a_wooden_rabbit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/1615/5047/files/hayward_sp2607x10_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3887/9143/files/xigexixapisokiguni.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0314/9479/files/zazajilopu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/7937/3478/files/study_questions_for_lord_of_the_flies.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2687/3509/files/likafawibefozewagujon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1485/6610/files/tug_hill_plateau_elevation.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3071/5288/files/zemurewovis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0344/7968/files/sojimemotuduvefodafil.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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