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=analytical+report+topic In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373505/normal_5f894a2f9211f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365525/normal_5f8f1ad7f17e4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378393/normal_5f8d18a4d14a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377924/normal_5f8c094d141ea.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/3274198.pdfIn PDF document text
  • https://fulojozizarotuv.weebly.com/uploads/1/3/4/3/134318677/9741bfcda7b52b.pdfIn PDF document text
  • https://kesevaze.weebly.com/uploads/1/3/1/3/131383297/2624916.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f87609fef60f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375531/normal_5f9124f4455a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376101/normal_5f91cc0a7770f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386605/normal_5f964634afe2a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374177/normal_5f8e64f761906.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368224/normal_5f88d170497dc.pdfIn PDF document text
  • https://gogebuzavoriro.weebly.com/uploads/1/3/2/6/132681212/xulepipedixuwi.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/f1dfc27.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/9eb42ca4-e40a-42e9-834a-2854cd2a5c6c/mazumijuzejafuwi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/878c4659-de2f-4d8a-9c16-7152ae30f3df/bmat_2013_section_2_answers_explaine.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b565a5e-ed52-4f88-8f3c-7b8af1398db1/zurafakodujib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0174bda8-6844-4b34-91f5-e62b9d5b5391/nexulalifavuluwoxawebu.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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