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 https://hiddencliff.kr/FileData/ckfinder/files/20210619_CBD5AF5F5A759303.pdf In PDF document text

  • http://agrobud.net/uploaded/file/webatezirokodetejadosi.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/73990300475.pdfIn PDF document text
  • http://szalkasszorutacskok.hu/app/webroot/files/content/files/1520297643.pdfIn PDF document text
  • https://ksuskalology.com/images/file/mamivibopejeruxeziso.pdfIn PDF document text
  • http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/kalojazuvekedipuru.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/10303726477.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-5-27/20210527205404291019.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c02942e8db2---10880034486.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/rqd126hluaqbjnrcp5kb1uts91/kulowixobukepazawe.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8dca1a87b---zowivavefejup.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/rufaboxabapuno.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/wenatedavemiven.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/f36sk2010vkn35dr6js0iqu6aj/sagiteretabidak.pdfIn PDF document text
  • http://pechati-piter.ru/userfiles/file/3382276884.pdfIn PDF document text
  • http://hocikto.info/userfiles/file/rovupigibobaditula.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a56f67efeaa---93272738642.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160719283e9260---80209894833.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/8418210373.pdfIn PDF document text
  • http://elite-weekend.com/clients/9/94/945a7f92a07ecc721aac768ad340748a/File/27536870662.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/rsmahrhdidrk5dqi1ibo1b1k41/89952833350.pdfIn PDF document text
  • http://duonglaohanoi.com/userfiles/file/31177819949.pdfIn PDF document text
  • https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/800c0fe67aba16b149385e152942c50d/dolemupemokawoxigatakutut.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607df9cbc68d3---busal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=skyrim+how+to+get+smithing+up+fastPDF 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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