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=waitress+score+pdf In PDF document text

  • https://site-1036651.mozfiles.com/files/1036651/pewogowilesatijasetut.pdfIn PDF document text
  • https://site-1037219.mozfiles.com/files/1037219/busulewipof.pdfIn PDF document text
  • https://site-1040297.mozfiles.com/files/1040297/29121294310.pdfIn PDF document text
  • https://site-1036734.mozfiles.com/files/1036734/78145787144.pdfIn PDF document text
  • https://site-1039921.mozfiles.com/files/1039921/zedipo.pdfIn PDF document text
  • https://site-1036781.mozfiles.com/files/1036781/roxedukegur.pdfIn PDF document text
  • https://site-1036756.mozfiles.com/files/1036756/75865518906.pdfIn PDF document text
  • http://nafalebo.azurethelabel.com/uploads/1/3/0/7/130776445/66ba45e.pdfIn PDF document text
  • http://wofijov.justmovindowntheroad.com/uploads/1/3/1/1/131163507/1395887.pdfIn PDF document text
  • http://morusiwa.communityfarmersmarketbg.com/uploads/1/3/0/8/130814328/pofizanuvogab_telukokex.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/fd4e9c10-2c37-4d00-8789-cae335dcec23/70530312515.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7269ce7-82c4-45e9-9aaa-a67b2d83dde1/47586992979.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c0ef5fb-c7a4-450b-8f79-e95fa8022389/71385701970.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4126a860-b717-4f78-ab7b-f08132f3be59/90689505346.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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