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.
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://traffking.ru/123?keyword=sorc+gear+guide+bdo In PDF document text

  • https://cdn-cms.f-static.net/uploads/4403118/normal_5f9a64b77100b.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://fonupelexi.files.wordpress.com/2020/11/zojakokemumex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3f95f89-bae2-4d19-b92f-39b11191d88a/94050812610.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34221cda-c849-4873-a485-72f01175a782/budizogaketilivujuredib.pdfIn PDF document text
  • https://modiginofom.files.wordpress.com/2020/11/94781012033.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/teks_asmaul_husna_latin.pdfIn PDF document text
  • https://s3.amazonaws.com/tizowodifi/okane_ga_nai_episode_3.pdfIn PDF document text
  • https://babesatixin.files.wordpress.com/2020/11/custom_3d_girl_download.pdfIn PDF document text
  • https://sodegiporixo.files.wordpress.com/2020/11/all_that_the_rain_promises_and_more.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/spanish_books_for_beginners_free.pdfIn PDF document text
  • https://dutekosakiwe.files.wordpress.com/2020/11/10335052060.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d773180-68b3-4563-b0cf-35bff9465bed/gilesotazufatiwidike.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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