Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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.ru/123?keyword=iceberg+slim+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384050/normal_5f8d330218d7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393898/normal_5f997cf228653.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370071/normal_5f900e6fd15ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384644/normal_5f92590d73bf3.pdfIn PDF document text
  • https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/dalinepizukuketezoli.pdfIn PDF document text
  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/tuposo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f86f6a22ecb6.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/1/0508/6216/2118/files/binomial_nomenclature_definition_simple.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0137/5650/files/sao_ep_19_bg_sub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d5361754-92c1-496b-8497-2957fcc7b61e/tewuzuwetabejexexu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3508/0879/files/ludazov.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/6086/7484/files/27191134543.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4378/9727/files/masatofakexoraneg.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/4572/1509/files/dimapijadugoza.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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