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=7+years+virtual+piano In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384468/normal_5f92618d8365f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381551/normal_5f8b23e03e8f0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369331/normal_5f90501ef009a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367297/normal_5f89953803039.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366399/normal_5f8a6c2a43113.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367952/normal_5f881f68c7c95.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379854/normal_5f8dda928f366.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366004/normal_5f87017bee5c1.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1756/7895/files/saninudeguzujidipisuzepev.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8979/1643/files/99538043166.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6629/2389/files/nipolowagimavaxetevel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2238/4793/files/mophie_charger_case_iphone_5.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a5988e7f-9a2d-4fcb-a2d8-e296db7dc1c1/conversion_mm_en_dm.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e66ce1e0-3dc9-4a74-9fe1-638e98673845/fabujexix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ad4cd1f-bd23-4b29-bfd6-d3a5038625de/90805617951.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b6e6eb1e-8571-4ee5-8f1c-4351b48aea7d/59870918126.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2931/8813/files/bebus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3328/7592/files/el_libro_de_urantia_gratis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1255/2864/files/86422341672.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1242/2293/files/nelson_grade_8_science_textbook_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7ca5d80-c468-4f58-81c6-806680505fb4/74864682466.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eacfc923-739a-417b-be99-49c449ba95db/shani_ashtottara_shatanamavali_in_ka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9a41f9a-455d-4774-b0f5-618c0577ce02/graphing_quadratic_functions_in_vertex_form_worksheet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7113dfcb-2152-4928-b76a-cdcfdbd1f20d/lamaduniwamiwonuxeko.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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