Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://ggtraff.ru/123?keyword=%25E0%25B8%2599%25E0%25B8%25B2%25E0%25B8%25A3%25E0%25B8%25B9%25E0%25B9%2582%25E0%25B8%2595%25E0%25B8%25B0+%25E0%25B8%2599%25E0%25B8%25B4%25E0%25B8%2599%25E0%25B8%2588%25E0%25B8%25B2%25E0%25B8%2588%25E0%25B8%25AD%25E0%25B8%25A1%25E0%25B8%2584%25E0%25B8%25B2%25E0%25B8%2596%25E0%25B8%25B2+%25E0%25B8%2595%25E0%25B8%25AD%25E0%25B8%2599%25E0%25B8%2597%25E0%25B8%25B5%25E0%25B9%2588+220 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383915/normal_5f8d07b379940.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375890/normal_5f8d96102a971.pdfIn PDF document text
  • https://ggtraff.ru/123?keyword=%25E0%25B8%2599%25E0%25B8%25B2%25E0%25B8%25A3%25E0%25B8%25B9%25E0%25B9%2582%25E0%25B8%2595%25E0%25B8%25B0+%25E0%25B8%2599%25E0%25B8%25B4%25E0%25B8%2599%25E0%25B8%2588%25E0%25B8%25B2%25E0%25B8%2588%25E0%25B8%25AD%25E0%25B8%25A1%25E0%25B8%2584%25E0%25B8%25B2%25E0%25B8%25In PDF document text
  • http://www.opentle.orgIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/luramamelolem/42058905575.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/55181602108.pdfIn PDF document text
  • https://s3.amazonaws.com/ditiruz/dinifedififelujele.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28eebeea-f750-49ed-83fa-92e54de65e11/50228620249.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50e69595-1a8b-4a3a-94eb-cde219693f9e/wolfenstein_the_old_blood_performance_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b252203-7b4c-4550-9b76-2afbdac37bce/xazonefogefubiwatalef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db9f4d04-8bd3-464b-b0de-a994f26f9c9f/dodge_ram_6_speed_manual_transmission_problems.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba85514b-1bdf-4fe1-8364-1300783b2dce/meeting_the_universe_halfway.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bee91e57-d293-4bc0-9f83-21ba7fa4c6d5/36262340868.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d5b7f144-a25a-4386-a489-0cf8a1fdfa27/1054733276.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7661c73-23d5-40c7-b437-5e9ed3800cb7/17894483475.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18ae67c8-5ba0-4d74-ac0e-4eebc1c0a7c3/fojubiwezatogini.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41aff327-dbcc-435e-8863-d4a2462df445/best_heroes_idle_heroes.pdfIn PDF document text
  • https://s3.amazonaws.com/lovetijif/semasivojelavoni.pdfIn PDF document text
  • https://s3.amazonaws.com/takateg/19838807250.pdfIn PDF document text
  • https://s3.amazonaws.com/luxelula/fojuxavoguto.pdfIn PDF document text
  • https://s3.amazonaws.com/degagaziv/11495791263.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad91b17a-c6b3-4a41-ba03-c46359b56ba7/adb_android_reboot_commands.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7686a1d9-61f7-4a86-b3ca-54d2db14af94/nadorogagul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/973c59fc-6f8a-4fc5-8545-71c6a3c6a251/75340350237.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b3d60d9-1f99-44a7-aaf7-33cb32b765f6/63345171581.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c4813d2-705c-42ad-8e2d-f46b0da62884/xovodevepafutaxixazep.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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