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://ggtraff.ru/strik?keyword=manualidades+de+papel+para+ni%25C3%25B1os+pdf In PDF document text

  • http://selej.lilyhock.com/uploads/1/3/1/3/131398134/mafudenabijomu.pdfIn PDF document text
  • http://files.gobrazil.co.uk/uploads/1/3/0/8/130874304/e62ac.pdfIn PDF document text
  • http://files.openwingstheatre.com/uploads/1/3/1/8/131872032/86acd294d35.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000676f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000676f.bin)
  • https://uploads.strikinglycdn.com/files/295d978e-b369-42e5-8d32-401763119061/nedamovigixi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06c14903-b1ea-40da-a65d-646c8e2d3d46/salekalunusefudo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9d95e73-6119-4262-bb16-29990025cd81/gofukoralukelaroxitet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fcfb521b-38dc-45aa-9b71-c63ed95d1649/zawizofisebutepiwilov.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/0406/0071/files/minecraft_clash_of_clans_maps.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1313/4743/files/41141009916.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3651/5224/files/alternatives_conomiques_reussir_son_bac_es_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0457/2951/3638/files/wufutube.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6840/7464/files/old_rugged_cross_lyrics.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2133/4688/files/togav.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6879/2733/files/also_sprach_zarathustra_indonesia.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3696/7063/files/linux_flush_dns.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7451/9194/files/2776589471.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/00f53ac5-71c7-4b4e-b249-7f679df8c457/17938259280.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_off0000676f.bin)

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