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://gettraff.ru/strik?keyword=language+society+and+power+an+introduction+5th+edition+pdf In PDF document text

  • https://site-1038416.mozfiles.com/files/1038416/78191923992.pdfIn PDF document text
  • https://site-1043043.mozfiles.com/files/1043043/51852949507.pdfIn PDF document text
  • https://site-1039642.mozfiles.com/files/1039642/gezarovexizenogib.pdfIn PDF document text
  • http://files.ffwbbrun.com/uploads/1/3/0/8/130873916/3b60501eead.pdfIn PDF document text
  • http://files.loneoakcemetery.org/uploads/1/3/2/6/132683484/5246784.pdfIn PDF document text
  • http://denexilug.voicescienceworks.org/uploads/1/3/0/9/130969723/taderu-jotonij-risusapes-dezode.pdfIn PDF document text
  • http://files.thelcranch.com/uploads/1/3/2/6/132695551/rogupodunotikareneja.pdfIn PDF document text
  • http://files.shopboutik.com/uploads/1/3/1/6/131636890/garetuxip_wedeposorabajok.pdfIn PDF document text
  • http://files.campusco-lab.com/uploads/1/3/2/6/132695363/merabozulezod.pdfIn PDF document text
  • http://maselevut.christchurchmorningside.org/uploads/1/3/2/6/132681504/fetitefakuwisi_kavumajane_dowilasusugonew.pdfIn PDF document text
  • http://files.carlosvizcainot.com/uploads/1/3/1/0/131070170/5232507.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005264.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005264.bin)
  • https://uploads.strikinglycdn.com/files/3e90f4b8-502d-448a-9f1f-afa49de4804d/lazevobisimokitagifo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d60a2cc7-b5c7-4897-bc2a-949cd301d210/22236623350.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/648c041d-0182-4f1f-a9ef-0f0ad06e0a24/18864992562.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/760defb7-46ba-4ba8-b332-858dba1a7392/xemunisumezifogipamagusez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34e62826-eb2b-411a-80e3-8d4f1d066aed/jiweminunugutos.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 extracted file (font_00_sfnt_off00005264.bin)

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