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://trafffi.ru/wb?keyword=imvu%20apk%20download%20pc In PDF document text

  • https://gobumireg.weebly.com/uploads/1/3/1/3/131383916/7460178.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/jopuvimilena.pdfIn PDF document text
  • https://s3.amazonaws.com/vuzufexarevima/nisavesutiwalofuxug.pdfIn PDF document text
  • https://s3.amazonaws.com/kisimujuk/gexepatozasifubake.pdfIn PDF document text
  • https://pojutawetuje.weebly.com/uploads/1/3/1/3/131382470/8351256.pdfIn PDF document text
  • https://linepofikoleku.weebly.com/uploads/1/3/4/4/134492010/9141390.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380680/normal_5f8f12f9f4013.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005a33.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005a33.bin)
  • https://sebuwisawos.files.wordpress.com/2020/11/fipupojuretis.pdfIn PDF document text
  • https://suvarofora.files.wordpress.com/2020/11/lodebukiworidu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ab2875c-105f-426a-8843-1c2d684ec4f5/organization_of_the_body_worksheet.pdfIn PDF document text
  • https://raxusurer.files.wordpress.com/2020/11/blindspot_season_4_episode_19_subtitle.pdfIn PDF document text
  • https://vadazigifexe.files.wordpress.com/2020/11/merozasopegujibe.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 extracted file (font_00_sfnt_off00005a33.bin)

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