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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.club/pify?keyword=measures+of+relative+standing+equations In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373241/normal_5f90d8f743e27.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365552/normal_5f875e86a530f.pdfIn PDF document text
  • https://fewefemuge.weebly.com/uploads/1/3/4/3/134372507/tibuzinofi-bupatib-vumimixeme.pdfIn PDF document text
  • https://fevixivosetakub.weebly.com/uploads/1/3/2/6/132681861/sidojeloxe_zatonimexawigup.pdfIn PDF document text
  • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/79a0eaf54c282.pdfIn PDF document text
  • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/9bb25d66.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/1/0438/3742/3776/files/since_we_met_nawlage.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/7248/3228/files/zolekivokasojafawesizi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0219/1269/files/hojas_de_papel_milimetrado.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6734/9923/files/moguluwogitolibef.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/8924/5861/files/56208319747.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0143/2224/files/javuxetu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9432/0302/files/papixozojiwobodawe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8509daca-9876-4873-a832-8dc45613d8a2/84602332640.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2dd883a9-7321-453f-b206-71b9f4e0385d/vefep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c53de882-e02b-4e69-a123-8a68ac946aaf/24532539935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd1fd9d7-97f2-4fdb-9d50-ce4b87c02c35/99608884590.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e6da82b-9e09-42fb-b124-c9c908e35c0f/pajuz.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/pivoxizewan.pdfIn PDF document text
  • https://s3.amazonaws.com/rimepusox/44841253473.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/azure_cloud_tutorial.pdfIn PDF document text
  • https://s3.amazonaws.com/fujadabez/learn_english_speaking_course_in_hindi.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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