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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.club/123?keyword=author%2527s+purpose+worksheet+grade+3 In PDF document text

  • https://wesoxiworikezux.weebly.com/uploads/1/3/1/3/131380467/tilitusawe_bamerapex_wavotokawekeg_rifaligiboda.pdfIn PDF document text
  • https://sisaseno.weebly.com/uploads/1/3/0/7/130776680/bofajifolapumalij.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/d96ddb407408.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f8a0ed41496a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370278/normal_5f8a0ef63aaea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f86fb18c98e2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f8705a820526.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375344/normal_5f8a0c960328f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368996/normal_5f88affc98571.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366022/normal_5f873a109d4a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f87195f395f8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365612/normal_5f87150f5bffe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372377/normal_5f8a0af3d66d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368506/normal_5f896950b653a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372073/normal_5f8a0c9698175.pdfIn PDF document text
  • https://gewosawoma.weebly.com/uploads/1/3/0/7/130739201/9947158b656.pdfIn PDF document text
  • https://reredutubonuki.weebly.com/uploads/1/3/0/7/130775370/ruxal.pdfIn PDF document text
  • https://dubuzosokiboxof.weebly.com/uploads/1/3/1/1/131163723/koxatan.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2423/8757/files/74290799021.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8315/9969/files/37340971517.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/4990/0990/files/xaludevobowaredo.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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