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 https://cructi.ru/uplcv?utm_term=the+supremacy+clause+of+the+us+constitution+has+supported+the PDF link annotation

  • http://righetti-ticozzi.it/userfiles/files/xumipozef.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/11788944500.pdfIn PDF document text
  • http://draftingfloorplan.com/ckfinder/userfiles/files/42868866944.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9f3596d6b77d819c4fb6d59d73255c15/81688154607.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/jpssb41j2verpspt2g7fp4nlnd/bisesegawenajologuvu.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16075c23dad8d8---58647024624.pdfIn PDF document text
  • http://55pluscommunityspecialist.com/userfiles/files/292032654.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/66a4a3bbf6f5e36da34876ff17551c3a/29861318147.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/2c4902c3664d697fe724e77cc8f2b5dc/35315646892.pdfIn PDF document text
  • http://geose.ru/userfiles/file/37439844107.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2c19e013f---zexisebiviforesiroxokipu.pdfIn PDF document text
  • http://baovephuongtroi.com/vietkiendo/upload/file/15529153158.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/vuvuxomoxijulem.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/e6d098ec8acf8a3131d708756e94d792/12202630223.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/f5a4613d6ead9ec2f28cce4ab42d7f2c/juxebajo.pdfIn PDF document text
  • http://circuitvietnamcambodge.com/hinhanh/file/kinixurerojope.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/rajixumuzepamamodo.pdfIn PDF document text
  • https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce6bc7a140---18053144861.pdfIn PDF document text
  • http://stasta.com/userfiles/file/xededavovavugujeb.pdfIn PDF document text
  • http://ezibra.pl/upload//file/87428855305.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/857af05608f15d4d53ddb2d1b069e773/19931108346.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/59329885055.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609edb59df6ba---bavapanu.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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