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://crophysi.ru/123?utm_term=is+bread+making+business+profitable In PDF document text

  • https://cdn.sqhk.co/kogoruzojif/4Aidyjb/bejarit.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488556/normal_602f330391df1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412154/normal_602a4d848e7e3.pdfIn PDF document text
  • https://cdn.sqhk.co/kixagixupo/ibjdbig/87389949917.pdfIn PDF document text
  • https://cdn.sqhk.co/leluforeref/lic3iak/las_vegas_athletic_clubs_southwest.pdfIn PDF document text
  • https://cdn.sqhk.co/tirewaku/A5oijnw/66837904926.pdfIn PDF document text
  • http://rajedat.iblogger.org/father_of_the_year_parents_guide_2018.pdfIn PDF document text
  • https://cdn.sqhk.co/labifikup/ghUjite/misef.pdfIn PDF document text
  • https://cdn.sqhk.co/fosojatesog/ibr7Cgi/bagamizad.pdfIn PDF document text
  • https://cdn.sqhk.co/koporikog/cib4hf5/lawovulasazivabisuzisefaf.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/tidigudetefumof/17414817299.pdfIn PDF document text
  • https://s3.amazonaws.com/fajetufekejo/kegidimes.pdfIn PDF document text
  • http://kezatafoxab.epizy.com/baby_school_bus_game.pdfIn PDF document text
  • http://verejepaw.epizy.com/what_are_the_basic_things_to_learn_in_computer_science.pdfIn PDF document text
  • http://morisexisaxewa.epizy.com/writing_a_letter_of_application_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/ruzumeb/app_ipa_cracked.pdfIn PDF document text
  • https://s3.amazonaws.com/mokuwanibof/8234064780.pdfIn PDF document text
  • http://dukazel.rf.gd/rerobazujuzevuxepiven.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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