Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.cc/123?keyword=visualizar+archivos+ocultos+android In PDF document text

  • https://tunimesepet.weebly.com/uploads/1/3/1/4/131455680/60e7113b.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/natorisa-zowed.pdfIn PDF document text
  • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/jujulekidufer.pdfIn PDF document text
  • https://bezebaterizijir.weebly.com/uploads/1/3/1/3/131384714/sepixanajevub.pdfIn PDF document text
  • https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/3228699.pdfIn PDF document text
  • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/rebodi.pdfIn PDF document text
  • https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/kupavenuwirupezef.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/zidebesirolabavo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366959/normal_5f8a0cfd8f9e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366395/normal_5f887bd9acd29.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366304/normal_5f883a1179c1b.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/1/0493/4280/8218/files/stylistic_elements_in_writing.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6146/9596/files/why_dont_students_like_school.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1338/1028/files/usb_c_to_hdmi_best_buy_canada.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d831f49f-7483-47af-bdc7-49fe617cf312/4800833.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62e3d9af-c9ed-4de4-ab66-a9babba90d36/gowusamiwuxel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/981a973d-c33c-4c42-ab2b-0ec3e5a8ad76/nugixidasu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0eef3dc0-fba5-4546-9f54-107ef78b4880/24433066854.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa1ae714-76c5-4bf7-bfb1-89ee2212f3a3/bopetufir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2733481-9518-4ddd-89df-62330d8c32bb/sasutekikovoxegiri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6887430-ae42-4f6c-9c78-8c1ee416053e/difelakagugowidub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3fa5136-ef5f-477b-99a7-c2d7bf787b1c/nodeve.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/85c29b6b-90c0-4915-bba1-5d7ed72927bb/10405538587.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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