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/strik?keyword=continental+washer+error+codes In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368250/normal_5f880d68418a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366057/normal_5f8708368e336.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367007/normal_5f88999d023a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376374/normal_5f8a25b3641a5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375886/normal_5f8a707f21fc5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373522/normal_5f88d337e950d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378155/normal_5f8a3edc20a07.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/8709547.pdfIn PDF document text
  • https://pidofuvu.weebly.com/uploads/1/3/0/7/130739764/suzidowi.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/1/0433/2044/3045/files/cours_sur_la_nomenclature_des_alcanes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4816/0411/files/in_loco_parentis_chronicle_of_higher_education.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8004/9344/files/11469632980.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7417/4622/files/lemon_supreme_pie_allrecipes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1742/1479/files/53536419413.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62c67875-7741-48c9-a07f-c876e824e302/15245335367.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/457d6103-0463-4562-9c1b-91b6ef3ab06d/30523688514.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d57b2687-a93b-49bb-a4c1-5e4a0f0fe86a/xurugodagegewe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9674/5147/files/heritage_high_school_basketball.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/9799/5941/files/mount_and_blade_warband_a_world_of_ice_and_fire_starting_stats.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9110/9036/files/proyectos_de_fisica.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6069/0589/files/mizowaso.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9685/1103/files/83322235195.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

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