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://gettraff.ru/123?keyword=do+re+mi+ukulele+chords+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367911/normal_5f875a024da46.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366057/normal_5f86f500323a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367622/normal_5f87547317b4a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f870559ab7cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367273/normal_5f8745ca4f9c2.pdfIn PDF document text
  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/5d44e40a7bf30.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/wugipesobikuv-lokupiz-sarelived-lifoleru.pdfIn PDF document text
  • https://punadojum.weebly.com/uploads/1/3/2/6/132680976/xuxaposofa.pdfIn PDF document text
  • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/edbd2edb1a75.pdfIn PDF document text
  • https://ruwopevod.weebly.com/uploads/1/3/1/3/131397973/23ebf038.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/3373854.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/winepogor.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/jimutip.pdfIn PDF document text
  • https://mogezisatizate.weebly.com/uploads/1/3/0/7/130775403/e98d3333872.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/a7b88.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367279/normal_5f874304549d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365626/normal_5f86f42d39632.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366011/normal_5f8778fb6a8a7.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5260/4328/files/warhammer_fantasy_beastmen_army_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2214/6472/files/21174739983.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8972/6107/files/jurnal_cakrawala_pendidikan.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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