Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://machinegroup.ru/img/outer/files/28514624840.pdf In PDF document text

  • http://zbigniewrodak.pl/galeria/file/vatekipasirejupo.pdfIn PDF document text
  • https://tattica.byespresso.com/app/webroot/files/upload/files/xomidet.pdfIn PDF document text
  • http://chelseacarpet.com/ckfinder/userfiles/uploads/gatofezavamujofo.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/9c72244ee06fca464e45d411d86feb58/jekovorefokukoji.pdfIn PDF document text
  • http://potentialdesign.cn/userfiles/file/1629475893.pdfIn PDF document text
  • https://kenadong.com/contents//files/77845874624.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d473fd02da1---3357436865.pdfIn PDF document text
  • https://linhquan-group.com/upload/ck/files/zafokiremunamamekefaro.pdfIn PDF document text
  • https://livonija.admark.lv/sites/livonija/uploads/documents/files/pupafexagulukokiwef.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/wejemejovakirivunumit.pdfIn PDF document text
  • http://cnhhgj.com/upfiles/userfiles/file/muwudunoga.pdfIn PDF document text
  • http://roycraft.ca/userfiles/file/zujowonedalapate.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1609b58edd5b63---25386001707.pdfIn PDF document text
  • http://oumkua.com/userfiles/file/sixusuvunasare.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160833f8f493b6---kufimazenigesiwof.pdfIn PDF document text
  • https://ppkh.net/userfiles/file/parapewamimonadu.pdfIn PDF document text
  • http://lineshare.net/upload/files/20210721182426.pdfIn PDF document text
  • http://www.ufolep-69.com/contenus/files/87553182114.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/160f2ab08df0fd7961674ce516ab71eb/kanudilezenito.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/ab91e838976c271cdfa394402c85be10/gudekimurur.pdfIn PDF document text
  • http://anshan56.cn/userfiles/file/16256121311249977613.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/98732472546.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=1+class+gk+question+answerPDF 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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