Malicious PDF — malware analysis report

Heuristics 4

• 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 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://traffking.ru/123?keyword=igneous+rocks+worksheet+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4412607/normal_5fa34b0c91633.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379613/normal_5f952c60918f5.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://levefew.files.wordpress.com/2020/11/deborah_gray_white_ar_n_t_i_a_woman.pdfIn PDF document text
  • https://newagolufi.files.wordpress.com/2020/11/4900027547.pdfIn PDF document text
  • https://s3.amazonaws.com/mejawiwomak/catlogo_cdulas_do_brasil.pdfIn PDF document text
  • https://xojomome.files.wordpress.com/2020/11/zefitufoxagaxajejex.pdfIn PDF document text
  • https://fomaxunuroz.files.wordpress.com/2020/11/u_haul_trucks_automatic_or_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/duzexefemosaxe/understanding_arrays_in_java.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/anaesthesia_and_intensive_care_a-_z.pdfIn PDF document text
  • https://ladaboxijow.files.wordpress.com/2020/11/how_to_draw_cartoons_for_comic_strips.pdfIn PDF document text
  • https://vidijesavus.files.wordpress.com/2020/11/strona_bierna_angielski_wszystkie_czasy.pdfIn PDF document text
  • https://s3.amazonaws.com/sezutuma/words_that_start_with_shower.pdfIn PDF document text
  • https://s3.amazonaws.com/vipinib/durga_mata_2_strain.pdfIn PDF document text
  • https://rizogawer.files.wordpress.com/2020/11/gutilam.pdfIn PDF document text
  • https://s3.amazonaws.com/dudurat/gepikopadowim.pdfIn PDF document text
  • https://zojuxidila.files.wordpress.com/2020/11/fudowol.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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