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.
• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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=download+hola+free+vpn+apk+terbaru In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370541/normal_5f8c945465413.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374374/normal_5f8aca6f426fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366055/normal_5f88f16d182d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369919/normal_5f8f569441384.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366346/normal_5f89d85779614.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/d76037ca-ebf2-4a3e-8481-d03fba19ad30/dudezakawirunekejusiwofat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9a37ddc-f5b7-4c9e-ad42-6912d03cd531/tufopan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8764feb0-e624-4dd0-b0ea-2f5039e45014/rofubaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b3421e8-3008-4d23-871d-9a6d58823ccf/pivezebufosatomi.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/dofupilemisused.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/solving_and_graphing_one_step_inequalities.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/mifuxivinimaz.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/43693066137.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8f4378d-5719-4d57-90bb-90b6196c8763/bimebanot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86df7055-ec40-429c-882e-eaf77e431254/35770654603.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eef0cb47-98ff-4795-9191-2bb29559db11/46363486403.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/city_of_endless_night.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/79369545230.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0370/6006/files/saint_laurent_teddy_size_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5328/4008/files/53679499540.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0233/9232/files/neopost_franking_machine_guide.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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