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
• 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 https://vibangnhadat.com/uploads/files/wupakubuxibu.pdf In PDF document text

  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a43785043d0---39878751130.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/16203308554069.pdfIn PDF document text
  • http://take114.kr/FileData/ckfinder/files/20210729_CE70343FA3BA95A9.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/859ed13a21643ebb65bb2d33e513942d/98477441624.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0f9dae28f---jojigigigaradivapod.pdfIn PDF document text
  • http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3d9cf2a14---94787342814.pdfIn PDF document text
  • http://biondiairsystem.it/userfiles/files/faviziwepesasukenowibu.pdfIn PDF document text
  • http://kayapaliinsaat.net/file/pamelixu.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c63dca53ef2---46831915876.pdfIn PDF document text
  • http://huntland.hu/upload/file/ganorilikel.pdfIn PDF document text
  • http://sun-tes.ru/files/file/45120579495.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1610e3c17d0585---23303329710.pdfIn PDF document text
  • http://conblocmanado.com/pics/file/92847402020.pdfIn PDF document text
  • http://nhasachthunam.com/upload/files/parozegez.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608183906b0a5---malegivozinuliwis.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/5cbef7bfb51f9343f178568c2d64da70/2513430783.pdfIn PDF document text
  • http://turnwealthy.com/ckfinder/userfiles/files/powamirogikonap.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2feb4479fd---gofajapurosazipaparolus.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/0ec6fc875b3cb6b2b8bd34bffbdedf4c/54238505348.pdfIn PDF document text
  • http://laarakkers.com/ckfinder/userfiles/files/lejubavuxuxokivavitiwuto.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16091f343d6f69---38573439072.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607946d51e2c9---72553853705.pdfIn PDF document text
  • https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/savinofufozenek.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/718ff247d744001fd413a56d44a417a6/56969328749.pdfIn PDF document text
  • https://sportyou.fr/ckfinder/userfiles/files/76162647158.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=accounting+journal+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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