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/pify?keyword=kings+of+the+sun+drop+the+gun In PDF document text

  • https://gogebuzavoriro.weebly.com/uploads/1/3/2/6/132681212/sujasemoserurotedu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379233/normal_5f920835603d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366020/normal_5f8db13a71862.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000066c5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000066c5.bin)
  • https://uploads.strikinglycdn.com/files/e0c8d009-96c7-4075-a96a-e11822c2434b/36604261088.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/5213/6117/files/logic_gates_worksheet_igcse.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4041/1325/files/lixezimuvipezesilulexa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7ca740f3-4b95-4dff-9eb8-13ae1ea7eca9/73737865924.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5837/1009/files/roasted_broccoli_cauliflower_salad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1164/4851/files/berchmans_songs_lyrics_in_tamil.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2133/5221/files/livros_sobre_alimentao_saudavel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3848/2332/files/bissell_proheat_turbo_2x_troubleshooting.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3644/0733/files/i_got_this_feeling_in_my_bones_by_justin_timberlake.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67b39638-460d-427c-9729-81fb3430cb99/kuzugetovoba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/19c41ca1-29ef-4ad7-892a-444809fd5d5c/50458063768.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_off000066c5.bin)

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