Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://baarspo.ru/award?keyword=problemas+resueltos+de+%25C3%25A1lgebra+lineal+arvesu+pdf PDF link annotation

  • https://cdn.sqhk.co/fenogate/fjamjdq/44671328408.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4468274/normal_602d4b6c8fead.pdfIn PDF document text
  • http://hookup750.website/kofanenemufuvapefexopepu2mwkt.pdfIn PDF document text
  • https://cdn.sqhk.co/xusarukave/gdjhiV9/the_culture_code_book_amazon.pdfIn PDF document text
  • https://cdn.sqhk.co/duvapegoleva/05Srcz0/bedaxexopafizubujim.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4426974/normal_600809ee32ec1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4498994/normal_5fee42f8d1a2a.pdfIn PDF document text
  • http://shoplus.info/how_to_identify_a_child_with_high_iqqs6xh.pdfIn PDF document text
  • https://cdn.sqhk.co/petebeki/cjiwhfn/alien_poker_pinball_manual.pdfIn PDF document text
  • https://wanovupejofo.weebly.com/uploads/1/3/4/5/134580977/rinisagobilabafogi.pdfIn PDF document text
  • https://cdn.sqhk.co/duxevowoli/sighit7/47204250522.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://levipazik.epizy.com/kenwood_ts_450s_manual.pdfIn PDF document text
  • http://povusesa.rf.gd/king_size_sheets_dimensions_uk.pdfIn PDF document text
  • https://s3.amazonaws.com/juvetaso/hard_sudoku_puzzles_with_answers.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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