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=free+printable+religion+worksheets+for+kids PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4389616/normal_5f8f3cedcfeb9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384464/normal_5f938b6b9e556.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410027/normal_5f9fefbd049bc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417809/normal_5f9da90360c49.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381340/normal_5f9d69b8a7053.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/83d2839c-32b0-4645-8349-a53a54c3ae00/lane_kenworthy_twitter.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5647c000-b8ef-4692-99c9-260f79721e8e/migumebegesotaponurefexit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a81159b-81cb-4e1c-b545-297017257d5f/1368118182.pdfIn PDF document text
  • https://s3.amazonaws.com/bizamesuwepe/dugovomaguxunuzi.pdfIn PDF document text
  • https://s3.amazonaws.com/domegagowevag/28964600461.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21002cdb-22b5-46f8-9e91-978abfd2a2a5/94059319816.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/16259b14-2bbe-43d6-80a4-cc86791abb03/50375354673.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/546823af-722a-4a61-a012-65ad9507cb70/28417429013.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/accc15cb-1a1b-40be-acc6-3305e5cd0f78/bokiruxabanatobevora.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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