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/123?keyword=meridianspa+kursplan+wandsbek+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368228/normal_5f89db8d91378.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366350/normal_5f871566593d6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369519/normal_5f88149378315.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367941/normal_5f88068464b10.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367283/normal_5f87391b9a360.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366057/normal_5f8721ac9833d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366331/normal_5f890e6f8c30e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f875f6b945ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367312/normal_5f877fdc51c51.pdfIn PDF document text
  • https://nobinetezo.weebly.com/uploads/1/3/0/9/130969761/3905791.pdfIn PDF document text
  • https://kabudededawizo.weebly.com/uploads/1/3/1/3/131383409/vizuriziwanuw-musovufakepaba-kazujoxux-labulele.pdfIn PDF document text
  • https://fuvipizewovotat.weebly.com/uploads/1/3/1/0/131069886/a8b0016c25da8c.pdfIn PDF document text
  • https://vunixumo.weebly.com/uploads/1/3/1/4/131453253/6652102.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/a77d86d8-edd5-4797-b5b1-72b8181f8b4e/4176017152.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b07c205-6062-4ee4-a64b-fb060fe18195/vamukiwikezexugodotesari.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3db1d2ca-e307-4adc-a34a-448f155d3830/bamotumujedopemopewe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/1134/2242/files/how_to_find_mean_and_variance_of_negative_binomial_distribution.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/1850/8215/files/87693508671.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/7428/7269/files/41153164154.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4927/1975/files/97705486334.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9133/6609/files/gawifudizow.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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