Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ttraff.ru/123?keyword=body+beast+schedule+huge+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366661/normal_5f873079b77f2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_5f904a2990263.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365602/normal_5f89bd51db620.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/1/0432/2800/4507/files/whatsapp_backup_restore_android_to_iphone.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67850f11-a71d-400d-96fc-aadccbaf6ab8/concise_introduction_to_logic_hurley.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/4154/5111/files/graco_sequence_65_convertible_car_seat_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/1202/8092/files/windows_server_administrator_resume.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c376bb9-b6de-4b30-85dd-20abbd66799f/faa_form_337_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3fd38b4-72f7-4951-986e-bacc97588eb8/66503859823.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/7208/5926/files/61869588445.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8853d45a-0c9f-41bc-8f3d-5b374422f0d0/90175665795.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5be43cbe-5b52-4215-b93f-565d35b5cb72/97344942601.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/0114/7302/files/24602255877.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7892ac65-3eba-4220-b3c6-3b4b0513bc50/92086081545.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/af298cb1-f025-4c76-b452-d436ee85f3a3/59184104119.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ec363ba-f2c3-41c7-9cef-f281dbdac6f6/35637743522.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0752f3a9-d60b-4725-a469-2f851da564e5/ccna_2_rse_practice_skills_assessment.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2062/3265/files/pathfinder_kingmaker_slayer_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/4330/5110/files/crowding_out_economics_online.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2798/9148/files/weekly_time_schedule.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71983d26-9d1f-487d-9a6f-d0414fbd1ac0/96696370281.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/085c6831-c622-4ae7-a54e-36bc1004de61/download_ed_sheeran_divide_album_320kbps.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/56c93b3d-4931-4cfc-a910-c9f4f684c4d6/16267412347.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6917882-425a-4a3a-931f-02af9f5f57cb/reebok_zr11_treadmill_argos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9335/9275/files/runutosu.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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