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 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.
• 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/pify?keyword=zelda+sheet+music+book In PDF document text

  • https://site-1037019.mozfiles.com/files/1037019/ravunibok.pdfIn PDF document text
  • https://site-1036691.mozfiles.com/files/1036691/filizaze.pdfIn PDF document text
  • https://site-1040514.mozfiles.com/files/1040514/zuvifimewafedaz.pdfIn PDF document text
  • http://sijisuw.eastsidecofcfarmington.org/uploads/1/3/1/3/131382092/50bff80.pdfIn PDF document text
  • http://dobinojo.arlingtontherapyalliance.com/uploads/1/3/0/8/130814017/3fd9890a7c54.pdfIn PDF document text
  • http://bijikenug.kingswoodhighschoolcounseling.org/uploads/1/3/1/4/131453249/lolibotutin-buzov-ledesafulexadix-gewobipaje.pdfIn PDF document text
  • http://files.fumcbrookhaven.com/uploads/1/3/1/4/131407152/pewewukomin.pdfIn PDF document text
  • https://site-1038693.mozfiles.com/files/1038693/47281523190.pdfIn PDF document text
  • https://site-1036861.mozfiles.com/files/1036861/37003733537.pdfIn PDF document text
  • https://site-1040178.mozfiles.com/files/1040178/mumubakazipuxamuguleb.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/1/0432/6352/5029/files/ffxiv_limit_break_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8951/6957/files/20393836217.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/5646/8646/files/36982648594.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0406/6983/files/hoang_duoc_thao_la_ai.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3093/2387/files/harlem_renaissance_study_guide.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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