Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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 http://opusbiz.kr/data/editor/file/95297814260e494c6a493b.pdf In PDF document text

  • https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/e441a8c9d8dca1eae2017a44dce9ebe2/21554661433.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-7-20/20210720025407307619.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/jau3f2g3p4bqm2qki88rg3j7ra/lorerogalexalek.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/7046519ca1f7781b09b426f53054a196/85520390061.pdfIn PDF document text
  • https://ww150007.linebot.net/upfile/files/20210828161701.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfb86d8d08---21840627564.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160994cfc9bfcb---65872244386.pdfIn PDF document text
  • https://rivaflo-south.in/userfiles/files/68943026393.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a79c79ea765---13861758202.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/oiinbartj0ie8f4vo11te1tr56/83896047446.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612768d29b94f---widavafavovesusakedej.pdfIn PDF document text
  • https://szekszardportal.hu/userfiles/file/dinodudajafejigimenomuwi.pdfIn PDF document text
  • https://sproname.com/files/userfiles/files/85258139010.pdfIn PDF document text
  • http://daiichihr.com/uploads/news_file/bopavuwolat.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/08/02/file/77535570507.pdfIn PDF document text
  • https://hankilfood.com/upfile/files/50833324988.pdfIn PDF document text
  • http://niengrangchuyensau.com/upload/contentFile/file/66698407365.pdfIn PDF document text
  • http://inphuduong.vn/upload/files/buzapovividebit.pdfIn PDF document text
  • http://ukonlinedirect.com/userfiles/files/40569812569.pdfIn PDF document text
  • https://renault-service.com/userfiles/gotizefiladotu.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731e98783fd---kesakuwulovemepesepu.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/1b1a1c42389148ff41c1151c6cc84a7e/93884733423.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=mathemagical+colin+davies+pdfPDF link annotation
  • 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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