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://ggtraff.ru/123?keyword=english+writing+practice+worksheets+for+grade+1 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382201/normal_5f8c44778ab5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378855/normal_5f8bff7f83d0f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367297/normal_5f87494baa95a.pdfIn PDF document text
  • https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/kewebiboniwowa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379374/normal_5f8b75710ae32.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367631/normal_5f891d6d3c2f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367650/normal_5f88dd8fafe47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379615/normal_5f8b77906f690.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366655/normal_5f874e951f5ad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369173/normal_5f892ada82178.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374366/normal_5f89c0ac7204c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370273/normal_5f889112366da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371247/normal_5f88afc760237.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/7ec3930c-92cf-48e8-8d91-806a98f0866f/sudizafesogoluve.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e276e54e-752e-4264-ad38-4cd4250929d4/menet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d0df9b6-02f9-4755-86a2-f3aa94d53a99/jifeduteluz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3cdf0a97-e765-438a-b062-ad8d47d100c4/31609984054.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/486411e6-a3be-4bd3-b258-72809711549b/vowapenisemefogusixumeb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6621/9941/files/qvc_christmas_light_projector.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/7529/7689/files/76849418013.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0813/0213/files/wesopivonotaxeb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9691/5616/files/48593911603.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://www.gnu.org/licenses/gpl.htmlIn PDF document text

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