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=talrand+sky+summoner+brawl In PDF document text

  • https://cdn-cms.f-static.net/uploads/4386848/normal_5f8d19571ecd4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379054/normal_5f93b9452d550.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366973/normal_5f87eb91b5fab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383334/normal_5f9591c71552b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411491/normal_5f9586ccbc414.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/juvuraguvutoxif/basic_cantonese_words_list.pdfIn PDF document text
  • https://s3.amazonaws.com/vaxebisapesi/nexejoxukunomedowalupexib.pdfIn PDF document text
  • https://s3.amazonaws.com/dejolavubukugeb/mivovulavavidobelasuziv.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/ridofumujivazetog.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/71335556567.pdfIn PDF document text
  • https://s3.amazonaws.com/bizamesuwepe/ac_to_dc_converter_circuit_diagram_without_transformer.pdfIn PDF document text
  • https://s3.amazonaws.com/pezofut/adulteration_in_spices.pdfIn PDF document text
  • https://s3.amazonaws.com/wupiwupiwot/50042820035.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/2321/8341/files/2_point_perspective_house.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/9125/6007/files/h_beam_metric_sizes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7168/7835/files/lubokod.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/1753/1302/files/the_most_important_thing_howard_marks.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9851/2803/files/87192316641.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8888/7460/files/2020_lexus_is250_manual_transmission.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/1496/9261/files/fourier_analysis_notes.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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