Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafficel.ru/aws?keyword=robert+crown+elementary+school+wauconda+il PDF link annotation

  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/fisup.pdfIn PDF document text
  • https://feleluxotikuko.weebly.com/uploads/1/3/4/3/134338959/2a8f012ba7dd.pdfIn PDF document text
  • https://xetutinafo.weebly.com/uploads/1/3/0/7/130775845/c241ebe76af1.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/porukofosu.pdfIn PDF document text
  • https://rivisoni.weebly.com/uploads/1/3/0/7/130739016/bapujim.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://waxuvemuxibi.files.wordpress.com/2020/11/25118203704.pdfIn PDF document text
  • https://mutozofe.files.wordpress.com/2020/11/67728004733.pdfIn PDF document text
  • https://s3.amazonaws.com/mefadedosuw/65520138461.pdfIn PDF document text
  • https://s3.amazonaws.com/bovenotojitowe/romeo_and_juliet_timeline_of_10_events.pdfIn PDF document text
  • https://s3.amazonaws.com/mogelebolep/commedia_dell_arte_lazzi.pdfIn PDF document text
  • https://pupirod.files.wordpress.com/2020/11/nozemapopumetuve.pdfIn PDF document text
  • https://judepikewen.files.wordpress.com/2020/11/33559174730.pdfIn PDF document text
  • https://s3.amazonaws.com/gajejasa/chemistry_half_reactions_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/golepe/ielts_speaking_vocabulary_band_9.pdfIn PDF document text
  • https://fidunonip.files.wordpress.com/2020/11/madelizopididam.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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