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=game+of+thrones+conquest+apk+mod In PDF document text

  • https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/funanulifesofu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367940/normal_5f8994e573d6c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380080/normal_5f8b95cfc128b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413712/normal_5f97226760351.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421335/normal_5f9ab94905251.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385228/normal_5f907fb997d0d.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/323f2db7-2273-4f76-a8cc-309939677e61/clash_of_kings_mod_apk_private_server.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/443c4c7c-be48-430e-acfe-dd1383360882/target_swot_analysis_recommendations.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e292c8e0-e343-4be1-975b-81be24b43a31/14131546866.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5564/4823/files/33434230453.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13b0a7c5-43b1-4a68-aa72-e942d62e7567/54602909189.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73dac86c-d8aa-4d0d-9701-e7f2652cf39f/lekafonotu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87f5ceca-2f61-4ba7-8692-906b069f4aa6/karojesogegesi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91abc3fe-14a8-4d49-b155-155706cf1a90/lancha_precio_chile.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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