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.link/123?keyword=equiline+breeches+size+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369311/normal_5f8c55146bee5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373502/normal_5f890c1b187f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375698/normal_5f949c575466c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365626/normal_5f8760165d535.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376858/normal_5f8d90c122398.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370284/normal_5f8d4bcfe1f1a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366654/normal_5f8a63fed28b6.pdfIn PDF document text
  • https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/add4e42f3b827.pdfIn PDF document text
  • https://tumixivig.weebly.com/uploads/1/3/1/6/131636813/0aa83.pdfIn PDF document text
  • https://desaviguwogo.weebly.com/uploads/1/3/1/8/131871994/fulurotobinokexu.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/5bf3787b-7188-448f-bd0f-b0a2e1d84d0b/rotmg_fame_train_server.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7eb897e7-6965-44a7-b364-740e4d90cc7b/90919819935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/24c0b141-e166-415a-9464-7d8f9b361c29/67065434336.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8aa718d3-82dc-4b1b-afed-07c6e1fbee68/87278566738.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a1ae8db-6027-4a9a-9cb8-56cbd73f3824/81630394741.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c52a844e-a3de-4a74-afb8-ba50a42e2643/neninakes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f70eadfb-2385-4f8c-9c19-98272de6e29b/topomurozodurukid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9feb9d0f-1ea1-4c7a-a110-3f04bd5682a3/48596536354.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd4fa2d8-c723-400b-9cd4-0314980d27b3/25900656996.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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