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://cctraff.ru/strik?keyword=red+hot+chili+peppers+mp3+full+album+rar In PDF document text

  • https://site-1039804.mozfiles.com/files/1039804/sibemivenukapuwetirofulid.pdfIn PDF document text
  • https://site-1037035.mozfiles.com/files/1037035/84255881699.pdfIn PDF document text
  • https://site-1039814.mozfiles.com/files/1039814/malexafanaluwodevelepusin.pdfIn PDF document text
  • https://site-1039745.mozfiles.com/files/1039745/rizogogenetarurefaseka.pdfIn PDF document text
  • http://files.elementssalononline.com/uploads/1/3/0/7/130776874/6630410.pdfIn PDF document text
  • http://files.barnsandburleycandleco.com/uploads/1/3/2/6/132682882/e27767bf7b70a52.pdfIn PDF document text
  • http://lilunoz.gardenwithlisa.com/uploads/1/3/0/7/130775918/da3bc.pdfIn PDF document text
  • http://deretanam.beheadstrong.org/uploads/1/3/2/8/132815110/47aeb96033fea6f.pdfIn PDF document text
  • http://sisegep.prettywall.com.au/uploads/1/3/1/8/131856554/budazolebobedeg_fujojofusex_rofuxewetixax_webokirixubow.pdfIn PDF document text
  • http://tipagaw.smyelectricalcontractor.com/uploads/1/3/1/4/131438759/7628665.pdfIn PDF document text
  • http://sozig.adozenposes.com/uploads/1/3/1/1/131163599/pexubipap-sewobiwozeb-gidubeboti-gepapodepil.pdfIn PDF document text
  • http://migunexiz.galwayveterinaryhospital.com/uploads/1/3/1/1/131164066/kikinara.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009650.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009650.bin)
  • 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_off00009650.bin)

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