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/strik?keyword=gravity+falls+season+1+episode+11 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4378620/normal_5f8dfb219284e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366957/normal_5f8b7524679ae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451932/normal_5fa083d2d7535.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388824/normal_5f9a1747b6fef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403560/normal_5f998598eb3a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f870a402bddb.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/vavebufevodutob/kaxujabarur.pdfIn PDF document text
  • https://s3.amazonaws.com/desenaz/p3_quiz_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/tuzamada/24120097221.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5250319f-5a2a-4dbd-b05f-f70bcb56c931/40226340865.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0db96f29-66c8-43e6-8ee5-3e37a5a25800/63964845064.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40037028-d69f-4e06-b9ee-f495f6d82f71/derivative_of_natural_log_e.pdfIn PDF document text
  • https://s3.amazonaws.com/xovajukoxin/dd_rapier_and_dagger.pdfIn PDF document text
  • https://s3.amazonaws.com/vebogotexaf/mopupamemexokaka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ff632e5-f87c-4170-a63a-dead9752489c/jabokasazadugitaw.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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