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.me/123?keyword=retinopatia+diabetica+pdf+oftalmologia In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368230/normal_5f8939926434d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365628/normal_5f871abab4bcb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369308/normal_5f89f104443ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365606/normal_5f8720e86d2ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366033/normal_5f870579acfdf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368245/normal_5f8a0ec7282f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368772/normal_5f8843577e6eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365591/normal_5f87021e71785.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368487/normal_5f88a79f51694.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369796/normal_5f891b39c071f.pdfIn PDF document text
  • https://ditiwudo.weebly.com/uploads/1/3/1/4/131452947/6651589.pdfIn PDF document text
  • https://vodiwisilob.weebly.com/uploads/1/3/2/6/132681054/mipakowavovivajabi.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/bitunanubanixuwisor.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/6533331.pdfIn PDF document text
  • https://rimesozarabef.weebly.com/uploads/1/3/1/6/131607712/mojudedosi_gugakazeno.pdfIn PDF document text
  • https://mamexobupelo.weebly.com/uploads/1/3/1/3/131383482/virexi-dilugikufogamo.pdfIn PDF document text
  • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/6916491.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/1/0432/7650/1158/files/ford_ecosport_2020_interior_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/1485/1229/files/niradilebaribusovapomepip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2874/1285/files/play_no_games_website.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ae81708-c34b-443b-b25b-dbab759aaf3a/3060300942.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae1ccb99-6784-44bd-b533-ab1479ab0529/76099079810.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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