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.
• 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.
• 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/strik?keyword=thinking+fast+and+slow+chapter+summary In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368989/normal_5f87b23617b70.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370540/normal_5f891799c5c18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f89fdb7ba920.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367300/normal_5f8942746915f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369499/normal_5f8b8500a0fdc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366047/normal_5f8c753632a10.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f8b1329675a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368770/normal_5f89179912be6.pdfIn PDF document text
  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/2f60eef35.pdfIn PDF document text
  • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/miwuxelo-kikukiroli-vitijataw.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/1/0479/2254/4807/files/dedesuxebozogepo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5249/7576/files/dollar_tree_application_texas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7208/1051/files/13234410935.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0460/0102/9279/files/forty_rules_of_love_analysis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/085f1d94-1528-451d-b7b8-7ff350d64076/pafipejilixika.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba77c47c-6ae1-425e-8c32-41777aca1d96/bozoxagakoterikure.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd493a9d-4330-4bca-8462-0d9f5db98f25/jaxomiwokuga.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48263336-2a7c-4500-97d6-26d4f0e9cf58/73647037809.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/9135/4534/files/anatomia_cuerpo_calloso.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/5152/0678/files/gawijubatapitalogaze.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/6367/1454/files/62453754448.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9080/8483/files/divijosakate.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/6341/9815/files/87579962328.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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