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://trafficel.ru/123?keyword=multiplicative+comparison+4th+grade+worksheet PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4379616/normal_5f95e9f648924.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369926/normal_5f9fcdf13ab53.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367919/normal_5f9633f25bd11.pdfIn PDF document text
  • https://zefufewik.weebly.com/uploads/1/3/4/3/134374544/xekikepirekemaruki.pdfIn PDF document text
  • https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/0b53da6ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416654/normal_5f95b4768b4a5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391915/normal_5f9f933dd4f52.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/b81e8acb-00e1-4820-a72a-6fe0f2080d21/xolozoxasajimotewu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8338f63d-cbfd-4d0c-a032-eacdf31a5a85/turolidonok.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/calendario_completo_serie_a_19_20.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9bb6cef0-7f16-4ca9-859f-841899190403/5820299089.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a78fc7f-9872-4c1d-866a-065b71e34015/phosphodiester_bonds_in_rna_and_dna.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39f81110-667d-4176-95de-70badbcc9673/62876540794.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6177f7c5-077b-4ca5-82a7-854446fbfd2d/mystery_train_poptropica_guide.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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