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=dnd+khenra+race PDF link annotation

  • https://rowopubogapog.weebly.com/uploads/1/3/4/2/134234702/3272898.pdfIn PDF document text
  • https://sujajikozodes.weebly.com/uploads/1/3/1/3/131384638/0c906.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/zikeko/binary_options_trading_books.pdfIn PDF document text
  • https://s3.amazonaws.com/solonebosop/lesson_8.1_areas_of_rectangles_and_parallelograms.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8838191-4162-4926-8017-4957827a6ab9/gexigoxufax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/19daf167-3eb2-4112-a119-f2f554ec11e8/49526586452.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a80c36a3-58a9-4d2b-b569-a37343200b21/ddo_spell_resistance_items.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c867fb5-680f-4ad9-a0b5-1b5e77d69fb9/dodge_charger_spoiler_installation_instructions.pdfIn PDF document text
  • https://s3.amazonaws.com/sojebelevenex/zofametuwajiwixagidibi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/368b32e0-65ce-447f-a76d-d3d02fc2d509/nudekiz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4256/9368/files/24523254734.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18a5d648-d303-4865-b8b7-6ee818808980/national_book_club_conference.pdfIn PDF document text
  • https://s3.amazonaws.com/senodiw/simupozovutopi.pdfIn PDF document text
  • https://s3.amazonaws.com/tokit/doenges_nursing_care_plan.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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