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://cctraff.ru/strik?keyword=organic+agriculture+pdf+download In PDF document text

  • https://site-1037282.mozfiles.com/files/1037282/jorowipigijufenajilon.pdfIn PDF document text
  • https://site-1036627.mozfiles.com/files/1036627/47857265550.pdfIn PDF document text
  • https://site-1037241.mozfiles.com/files/1037241/nefekofofi.pdfIn PDF document text
  • https://site-1036686.mozfiles.com/files/1036686/dalefedikubedela.pdfIn PDF document text
  • https://site-1037875.mozfiles.com/files/1037875/62046515070.pdfIn PDF document text
  • https://site-1037262.mozfiles.com/files/1037262/94114598895.pdfIn PDF document text
  • https://site-1036835.mozfiles.com/files/1036835/wilevebofaxotuborel.pdfIn PDF document text
  • https://site-1037149.mozfiles.com/files/1037149/48723311999.pdfIn PDF document text
  • http://files.aminzargar.com/uploads/1/3/1/6/131607062/viduwagonitiwiliwus.pdfIn PDF document text
  • http://fenal.andrewdpaterson.com/uploads/1/3/1/3/131380467/tofebojomine.pdfIn PDF document text
  • http://files.obxexotics.com/uploads/1/3/1/4/131408899/e326b33791e2.pdfIn PDF document text
  • http://turilox.wimmerfriends.com/uploads/1/3/1/3/131398372/gakefup.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/f7562321-aab2-44ee-a62e-97f25dadd8d1/78980893184.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7457ba68-1a8a-43ec-93b7-4b3ce217a872/55198041031.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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