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://gettraff.ru/123?keyword=tutu+app+vip+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375890/normal_5f8b64ded5f1b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373778/normal_5f8a1426d0cda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370777/normal_5f89dc5833dfb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366014/normal_5f87b0dd8d202.pdfIn PDF document text
  • https://gewosawoma.weebly.com/uploads/1/3/0/7/130739201/ledemafo.pdfIn PDF document text
  • https://besavikeneg.weebly.com/uploads/1/3/2/8/132815808/fosaravufe_donimomes.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/038885c85ecf8f0.pdfIn PDF document text
  • https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/mufif.pdfIn PDF document text
  • https://dofazodasi.weebly.com/uploads/1/3/0/8/130873943/679efa44.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/1/0429/1795/3702/files/13_reasons_why_zach_actor.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5430/9280/files/white_fang_mask_rwby.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9331/0631/files/pacman_download_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9245/1232/files/gejafoxulozav.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2cf6b8dd-ec87-4dd1-8a8e-0deb64a17ab2/33656012956.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c1c731f-8132-4391-af9d-7f5184e7e153/62179390691.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ad783ee-3dfa-4533-8487-22782dede60c/49953178588.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c10cdc91-8485-4701-bdc9-9f128a456e84/fuxelixul.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/5397/2387/files/dd_5e_animal_companion_sheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7839/3762/files/gepulujulaziruvobofot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5158/9018/files/ancient_greek_democracy_vs_modern_democracy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/5421/7388/files/46125932544.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2148/2142/files/samsung_yp-r1_manuale_duso.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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