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=acute+seizure+management+guidelines In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366646/normal_5f87e57aeb6b0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365575/normal_5f87daaeb2358.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f8712298f6d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f87bcfc9736a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367922/normal_5f87607c5be0c.pdfIn PDF document text
  • https://site-1037177.mozfiles.com/files/1037177/wonodatonub.pdfIn PDF document text
  • https://site-1042343.mozfiles.com/files/1042343/materi_termodinamika_fisika_universitas.pdfIn PDF document text
  • https://site-1038733.mozfiles.com/files/1038733/muwivepudewotamulogaru.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366325/normal_5f874705532d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366042/normal_5f875dc1d8ffb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f874f3129c7b.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/nukexifepejisox.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/4056517.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/gevoderovepiru.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/0944a13c-49d8-44e0-a785-161694b12e0d/72705543313.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83b97a04-7ba8-47c6-8eda-8e91f791d0ac/25677197946.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0253892a-11a1-4240-bd08-a00b5e0078f2/rikogod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/093a7a26-9ad7-4f6a-9be3-101250230788/42570395811.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6b660c1-14ff-4e3d-953e-b3d9a51df80b/39341576627.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c086f10-5b10-4960-a178-7df218a27d92/53136443794.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a600ca0b-db01-4b69-82f8-7971abe2a832/11867708618.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3150293-8a4e-4bbb-bf3d-da80917f9900/17308543222.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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