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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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=top+free+offline+strategy+games+for+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366347/normal_5f87546090882.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369909/normal_5f87f549209af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369796/normal_5f87d5babdca5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366976/normal_5f87aa7e96f13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367308/normal_5f87520773ccc.pdfIn PDF document text
  • https://site-1042879.mozfiles.com/files/1042879/murobokenovuwotofane.pdfIn PDF document text
  • https://site-1038981.mozfiles.com/files/1038981/pobeleperun.pdfIn PDF document text
  • https://site-1036918.mozfiles.com/files/1036918/24391860567.pdfIn PDF document text
  • https://site-1042734.mozfiles.com/files/1042734/ruteka.pdfIn PDF document text
  • https://site-1041927.mozfiles.com/files/1041927/47583515177.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f8701147343b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367964/normal_5f87ef1302191.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f86fb08daf31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367289/normal_5f87c02b9f864.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368732/normal_5f877fb1d884c.pdfIn PDF document text
  • https://fekudumubaf.weebly.com/uploads/1/3/2/6/132681201/3946656.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/palaj_xofepevez.pdfIn PDF document text
  • https://biwugina.weebly.com/uploads/1/3/1/1/131163984/30111226b40.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/38b1fe98-35a6-4655-bef9-406eda90ec59/xegodutogaboguzotinek.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0436/1895/files/64845077774.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/1534/3775/files/32973707069.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/1683/8049/files/98786169044.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3464/1052/files/97173295842.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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