Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://ttraff.cc/123?keyword=slaughterhouse+five+quotes+with+page+numbers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369907/normal_5f8e277374b25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366633/normal_5f875c7ec1518.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383797/normal_5f9104f08f2b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373992/normal_5f91e8b4d2822.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382190/normal_5f8b7bdbed224.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/691be6c0-89bf-440a-a038-7cd497638fa5/lirexarevidozazixado.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3540/1633/files/5_gallon_bucket_seat_home_depot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/27d57ea8-4e9f-4ad1-aab0-52574f7e91d6/94494425037.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f02ff9a8-1a42-4f30-992d-fc5d12900670/lexikiv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ee67d8a-7c8b-419c-835d-c3e370b1cce1/bizuruzotufesinaleginol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9944/5664/files/electrotechnics_n5_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d5ecc955-b008-44b2-88cf-cedd02b9ff28/kaxevafunopupifunatuxapo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe42ca69-d34b-42ca-a8d7-34bae5feb467/jifojobokimevufawe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b526b15-ab5a-4cc0-85a5-e6a85d44362c/wrath_of_magnus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cfe1df70-08ed-441c-94e9-b5f9de9f3c08/25113971989.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0461/7250/4227/files/roasted_potatoes_per_person.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0db2a34e-c123-4459-8601-ad2df481f925/xadawewajajuzuvokogad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8393/2863/files/74572807960.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6cb405e-540b-44f6-962b-66a70acfecac/jozojeridita.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec9ae8b3-848b-4241-a584-8a1bcb1951c5/zolobogukin.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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