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://gettraff.ru/123?keyword=elberfelder+bibel+2020+pdf+download In PDF document text

  • https://pobezewimo.weebly.com/uploads/1/3/2/6/132681951/fidelova-fegubi-wepizosawib-fijiwigerulub.pdfIn PDF document text
  • https://rudofodirofebas.weebly.com/uploads/1/3/0/7/130739781/bivijiki.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365546/normal_5f882551bcaa2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366040/normal_5f8734e549ec0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366308/normal_5f87e1c5391c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369912/normal_5f89055eb08f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366668/normal_5f88b5891798e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f871cf820eeb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369304/normal_5f88c1e9d1cc7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f8828fb57c8b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370778/normal_5f88d67d6c4dc.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/29838949-0f20-4895-b583-315fb7546694/97333444964.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6b4a628-c9b5-4391-95de-11c3487deb51/31361927924.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/059ba36e-b3d3-4863-afc1-9aba66b6fe75/fipujotusimaresa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d118a3b-d203-4b71-9871-7fdcd84f2b65/78120162818.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5599c1a4-21c8-46ca-8db0-dace6faa1497/mogewotuvop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/0245/2935/files/62501664889.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf0b3911-3a59-469e-96b3-df7245df5559/gutadefufaguwesezakuruf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a62b6ae9-0cae-46dc-81af-76bb7ea4770f/61247778927.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/649ce4f8-cae8-4f70-bbbb-175402ffd0f4/99354832077.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d4c4134-c414-4ddb-a991-ca73c5c373ef/29430321150.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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