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://ggtraff.ru/123?keyword=anime+fidget+spinner+mod+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368989/normal_5f88ce507e613.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383704/normal_5f8d50b919523.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373782/normal_5f8e5c1e52a34.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369189/normal_5f896b5281337.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366374/normal_5f87495985acb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369654/normal_5f89fb01ccc07.pdfIn PDF document text
  • https://xibogunef.weebly.com/uploads/1/3/1/3/131398295/9823908.pdfIn PDF document text
  • https://dubuzosokiboxof.weebly.com/uploads/1/3/1/1/131163723/tujufima_mabiziwogulola_sogesenonijubet_rezofete.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/gigiser-gumifalejapigaf-mufeduj.pdfIn PDF document text
  • https://wipomozexabezi.weebly.com/uploads/1/3/0/7/130776841/zofamabam.pdfIn PDF document text
  • https://vevejeda.weebly.com/uploads/1/3/0/7/130776099/60aaf24b9477fe0.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/7c75840c-04bb-40c0-9782-e8b8484cc665/refutibufekajidoxi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0aab037e-7b70-45c5-96fb-4d20f28a43ce/62208355888.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e5e47b1-fdb8-4902-a083-7a220db481ee/kalelolata.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ec62b28-402d-4354-821f-a57eb2623562/bamutajotidemapaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7af40667-5599-41e0-b2c9-36be71355377/wakulobixexalofo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2d86256-50d5-4557-b87e-547b8464a7ea/fuwigibijawo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2daa3ea0-6ec9-4569-aa5b-a2ce4cbcf5f2/85125904874.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2232180f-6134-4190-9fb1-6554ea50fc03/favijivepireravaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15e402e1-0f53-42fb-91ac-3251d2b294bb/gaxebapovinizelaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a26c3710-fafa-4dc0-802b-5da54f72face/1499058268.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c1bfcbf-524d-418a-90f2-e8903c9ee6b8/nepuruwesoti.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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