Malicious PDF — malware analysis report

Heuristics 4

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafffi.ru/123?keyword=periodic+table+test+answers+key PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4409114/normal_5f98f66b6e3ca.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368503/normal_5f87e312a8ef8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392453/normal_5f99e1cf8206d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4467561/normal_5fa376b1b6b46.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366319/normal_5f89e92d465be.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388157/normal_5f9309019fc81.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/5551e761-727d-4bf3-9a50-a2598a644c78/august_2018_regents_answers_geometry.pdfIn PDF document text
  • https://s3.amazonaws.com/wewuxuviwar/76774668882.pdfIn PDF document text
  • https://s3.amazonaws.com/sulasatevirexo/indicadores_bursatiles.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f4bc04b-c1ca-45e8-ac6f-9d0d414467b8/91996142193.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f44ede05-62bb-4dbe-a1ee-1399f96de9e7/diseo_y_distribucion_de_planta.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cb9b371-fa31-4fb5-a1ee-4bdae5b1be34/zombie_survial_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e8cae82-a7fd-4014-9a6c-f16baec93f88/bullet_force_free_gold.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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