Malicious PDF — malware analysis report

Heuristics 4

• 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 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://ggtraff.ru/aws?keyword=how+to+calculate+era+plus In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367296/normal_5f873dbd84925.pdfIn PDF document text
  • https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/6242828.pdfIn PDF document text
  • https://xadaxiwunitari.weebly.com/uploads/1/3/0/8/130814235/443e4d3ec0b6.pdfIn PDF document text
  • https://donodofi.weebly.com/uploads/1/3/1/8/131856097/aa62166ab6.pdfIn PDF document text
  • https://latenenagizogip.weebly.com/uploads/1/3/2/6/132696064/08fd7792bc816.pdfIn PDF document text
  • https://subarijarasojud.weebly.com/uploads/1/3/4/3/134332778/5152297.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425726/normal_5f9b210ee8c49.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/1/0496/2874/1828/files/music_player_software_for_android_mobile.pdfIn PDF document text
  • https://s3.amazonaws.com/sezebepit/zojupunegejapu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7891/2674/files/outsunny_party_gazebo_instructions.pdfIn PDF document text
  • https://s3.amazonaws.com/nafibanefexex/39060558185.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8799/4263/files/dizezerof.pdfIn PDF document text
  • https://s3.amazonaws.com/sazixipame/30148633043.pdfIn PDF document text
  • https://s3.amazonaws.com/dixaleko/dermatitis_atopik.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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