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/123?keyword=neverwinter+castle+ravenloft+dungeon+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369499/normal_5f89315791808.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381532/normal_5f8dcbd39251c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f96415566b0c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374686/normal_5f94a56332024.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366407/normal_5f8b4aa63c452.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367950/normal_5f89fe42daffe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372985/normal_5f8d70098d7e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372105/normal_5f88ff8a96889.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000091b0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000091b0.bin)
  • https://cdn.shopify.com/s/files/1/0505/4942/4322/files/virtuoso_design_environment_user_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7253/4166/files/xuzojutupudilarupikiku.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3723/7146/files/22851703673.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/9135/4534/files/origami_dinosaurs_easy_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b1e940c-0c66-467c-8639-431fbfaef41e/18453660144.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0b9e098-144a-411b-b954-5911e6a0e419/45162704256.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8036e84b-7feb-47db-8166-bb39c6dad4c8/9187076902.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbec5035-ccfa-4634-8042-b4bf90fbb9d5/download_civilization_ii_fantastic_w.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33d4b702-51af-47a7-b764-77aff5d69a94/54028604525.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9340d5f-13cf-4de9-b022-d58ebd7c736d/jexarojumoguzirogur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4caa0bab-b4e5-44f3-94dc-33f3a254ee23/fasibivuxe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90c70f8d-17ac-4106-ab64-0305c7edff5c/lokolemig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/622c8d48-fede-40fa-91ba-d6daf10f0b11/beneficios_de_aplicar_la_inteligencia_emocional.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4116/3926/files/washi_tape_holder_michaels.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8113/0691/files/66997444557.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_off000091b0.bin)

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