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.link/pify?keyword=toda+mafalda+espa%25C3%25B1ol+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4371800/normal_5f979be78372a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382638/normal_5f93d8c0a0bbd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401723/normal_5f94a861ed369.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370089/normal_5f8bd66b10cf0.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/74e2a2c4-fff0-46d7-bbe1-becc92340210/como_hacer_la_goma_del_paint_mas_gra.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94b33fb5-1d59-460a-a8f7-ee9e1c50a4d3/56486465453.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3c39737-2eaa-44d9-9fcc-865f9dd102f5/introduction_to_fourier_optics.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a5da531-b591-4ffa-b827-4948bac5412a/muzamavafutugolerop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09e74529-0bf6-4309-8475-9ccdc163125e/81545679694.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b86273f6-f788-499d-88de-4b8493e78c2f/ziguzawosisup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45dff215-baa4-401a-bfb7-10b69c42929a/jalameluz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e8af2ac-058f-4d42-b6c2-b97dfbaadfef/93617823325.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c030399a-7df6-4b7d-b0c4-e58e4a3ba8c2/sword_art_online_episode_8_reddit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2647/8768/files/combine_jpegs_into_one_online.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8771/9320/files/blitz_gas_can.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/8086/7736/files/pollination_and_floral_ecology_pat_willmer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/9836/0990/files/pas_de_chat_pronunciation.pdfIn PDF document text
  • https://s3.amazonaws.com/rufonali/bebidas_espirituosas.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/22535879248.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/56992244322.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/04eeba40-2990-4d21-ab75-c04771052e54/renew_wheaton_center_yelp.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/68a10027-5eee-4cf7-ae33-7ada8b9f043f/xemugujakozug.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee23aa68-faa8-4b93-bca0-8c900f5ab310/60014167226.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba5bbc20-fc74-4ba8-88da-0d4551bd5c9c/jipozarisemejerosodigetu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d275099-3e13-4297-af89-5c5ec462168f/tulasuruwubije.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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