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=prepositions+over+under+above+below+worksheets In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f939e3673f3a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373259/normal_5f89626f80b82.pdfIn PDF document text
  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/xepesepewabo.pdfIn PDF document text
  • https://gadigode.weebly.com/uploads/1/3/2/6/132680949/momed-kujisosejo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378378/normal_5f8b5fc17e132.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365652/normal_5f86f5e1c3d83.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367911/normal_5f926f0ebe47d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391649/normal_5f91bb552a7dd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383449/normal_5f924e82877d0.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006909.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006909.bin)
  • https://cdn.shopify.com/s/files/1/0493/0637/0207/files/34341618284.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8307/0629/files/tusagirotumubixa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/1934/3288/files/65580612163.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2069/5742/files/raj_police_constable_syllabus_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0685/2759/files/ozark_trails_tents_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6bc26c6-53ec-42bc-ab14-689909403830/avatar_1080p_subtitles.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee3e81e6-e59d-4bb3-932f-85fddf7a4697/81660472870.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2856/8471/files/tixemawuvepomokubifogawo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/8469/1094/files/zegatitaxitamuxomomuxatis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3937/3477/files/dream_daddy_robert_good_ending_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8676/9053/files/unblocked_shooting_games_for_school.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8304/5293/files/39313191538.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_off00006909.bin)

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