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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ggtraff.ru/wb?keyword=cradle%20mountain%20walks%20pdf In PDF document text

  • https://sopodepewujo.weebly.com/uploads/1/3/4/3/134340903/litimu_fuputawoxuv_modos_lonunovo.pdfIn PDF document text
  • https://s3.amazonaws.com/fojaxexino/buku_islam_dan_budaya_jawa.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/50065583008.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/marvelous_designer_6_tutorial.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/71359349334.pdfIn PDF document text
  • https://s3.amazonaws.com/novipaliwid/49092033230.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/eichmann_before_jerusalem.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/cadette_woodworker_badge_requirements.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/sobajabarujoje.pdfIn PDF document text
  • https://s3.amazonaws.com/loxopudizus/strategic_management_notes.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000076f7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000076f7.bin)
  • https://cdn.shopify.com/s/files/1/0494/5802/0519/files/vocabulary_workshop_level_orange_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3210/7937/files/tokabe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6229/5716/files/begiledumixovovoketusa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3860/5461/files/properties_of_adjoint_matrices.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58bc28f4-1f95-47d0-8741-569c647271a2/xutijede.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d659d68-7b61-4509-aed2-40e044703e52/9007504326.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b60ab48-f4e6-49dd-9db3-c038c124087c/90743079344.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/04771d70-0bf6-46aa-9b1b-c644561f89cf/24802276181.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2dd47f4e-080e-44ac-9ef6-452d3f14aa7f/bilipowililisi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65810c8e-a328-49f8-8d74-aa16b361256f/potozurigubatevu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62826d93-eea9-4865-95da-513fefbdac10/12753154580.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34faeadd-6733-4186-a07b-f215791dee61/68594283463.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 extracted file (font_00_sfnt_off000076f7.bin)

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