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/aws?keyword=work+at+a+pizza+place+owner+death In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370089/normal_5f8ab78ed6d24.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367301/normal_5f908a4a69af2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382197/normal_5f8c77ba97add.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392452/normal_5f8ed0fdd6ec8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366331/normal_5f8e896d2616a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000aa3e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000aa3e.bin)
  • https://cdn.shopify.com/s/files/1/0504/2097/3729/files/clearasil_ultra_rapid_action_review.pdfIn PDF document text
  • https://s3.amazonaws.com/dinigugaxej/sugurunujemi.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/jufarupadodiwatuvevem.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2915/0882/files/wrist_drop_exercises.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/6443/5612/files/circle_area_circumference.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65dc90ca-6a9d-44fe-ada8-d944d562b771/javinewagefidizesa.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/dajiwavemadawoto.pdfIn PDF document text
  • https://s3.amazonaws.com/julaxel/weldability_of_nickel_alloys.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/4237/3283/files/9262767329.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_off0000aa3e.bin)

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