Malicious PDF — malware analysis report

Heuristics 5

• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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/aws?keyword=gerard+genette+narrative+discourse+pdf PDF link annotation

  • https://vodexekuteb.weebly.com/uploads/1/3/0/7/130776001/1866445.pdfIn PDF document text
  • https://bitexaxa.weebly.com/uploads/1/3/4/4/134477172/rujamizewab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404313/normal_5f9bebe0be88d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369328/normal_5f8bc5a43064a.pdfIn PDF document text
  • https://xakekulipekez.weebly.com/uploads/1/3/4/3/134350488/bitikamogisuxorideka.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371799/normal_5f8b62850bb81.pdfIn PDF document text
  • https://wegonugu.weebly.com/uploads/1/3/4/0/134040733/7889314.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/zinudipir/words_for_bigot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d57f5969-807c-49ed-a59d-638d0bfc7088/77455663909.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7c1f329-db22-4a9e-86bb-95d0e39b5d53/athlean_x_supplements_review.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd1ad4b6-1dd4-4206-afbd-c4fd20216d7c/36401154418.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c466484-0a8e-41b3-8f88-fbb74e23c6ae/papio_fish_english_name.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d0aad56-09a5-46c4-83d6-ecf19ffd69b2/mcdowell_creek_falls_open.pdfIn PDF document text
  • https://s3.amazonaws.com/dorulusof/99651248934.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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