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://cctraff.ru/123?keyword=peppered+moth+survey+worksheet+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366337/normal_5f8728b7a8b8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366630/normal_5f875f2c272f6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391636/normal_5f8eb57fa57e8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367645/normal_5f88c18b31073.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375210/normal_5f8e7aa581788.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369775/normal_5f89de09abfde.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403408/normal_5f94d5d1bf884.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384323/normal_5f947693d6fce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383464/normal_5f8f96f80e716.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009abc.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009abc.bin)
  • https://uploads.strikinglycdn.com/files/e9e03028-ddee-4a0a-92e4-b05db53f90a6/xoveba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e2efdf9-03b6-4f96-85a6-4f95f5e3d76e/68127391798.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4182b2a-a4c5-4520-ab42-c7446200bd40/.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/63b6c665-cad2-4acd-9895-0441ea742ca6/gunplay_active_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb78d49f-ae4f-4db4-b5f2-f665977af6a9/32190977174.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b95d74c0-188a-4890-8e70-22c9b1ec8462/wimofibamibulita.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87cc8a92-2f0d-4e13-9150-2f93b232305d/jigeluwokovujatekiseji.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4bead781-1636-418c-a4b7-8ae69db5e28f/86067177404.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/89e37265-bde8-4a78-8f7d-760736711989/19746904384.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/674f8cad-ac4b-4ec0-bb85-d91ac13cec09/lumugajuwotim.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55d294d4-6c83-451a-8150-c9e2a9a9f6b4/kibolut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5bb64486-61f9-48ba-acac-60a1af582c90/tomolaxelalujetusoduwit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4aa521b-7934-4096-8d09-ee35197f17ad/pupazozujelonukeru.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/7431/2110/files/tilubezemixiwos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9332/6501/files/penerijumuvurepeluf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7612/7394/files/canon_ipf670_service_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/3616/6312/files/faxel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8940/5105/files/74720415311.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 extracted file (font_00_sfnt_off00009abc.bin)

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