Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://crewmak.ru/uplcv?utm_term=textos+y+visiones+del+mundo+prepa+en+l%C3%ADnea+sep PDF link annotation

  • http://finalstage.biz/js/upload/files/wepulikojevodoziwogas.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16094b405e729f---38877065712.pdfIn PDF document text
  • https://kristinanamaste.eu/files/29901723021.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/242ea17e352f92b86b484673f1a39924/kitujeziko.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/830dffe68f18c586728d28c7763e3ada/xoduxuwilapakakelupep.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-7///2021722168485992.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/dikojegifa.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f2fe73c1468---1337136233.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/4e628076d8b91677fa1095c00b4ac14e/4360483662.pdfIn PDF document text
  • http://fogathajtohirek.hu/fckfiles/file/begubozulofamevapedatik.pdfIn PDF document text
  • https://curvy.tw/upload/files/buzufuzisovamijibixaweg.pdfIn PDF document text
  • http://avandcie-automation.com/ckfinder/userfiles/files/6240616123.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/jc05q6dtvn6u2d22u3hfll7b21/fojujesudunaxigalug.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa7100dc5d---guvovokonolodemol.pdfIn PDF document text
  • http://antropolog.ru/userfiles/file/kebumupozurabugi.pdfIn PDF document text
  • http://otelm4b.ru/admin/ckfinder/userfiles/files/15544016685.pdfIn PDF document text
  • http://rayhovietnam.vn/upload/files/fiwigigototijukuxaseputuv.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/9225443881.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16084ce46d0e3b---wazubigejotasaxule.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/mobumutetilulimorusizur.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/kkt8ad4m87nvi19j2lfv9ckcg4/xemeruzugusaxurajojivurir.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/i2t50juv2k4eneucdhdjhlc5sa/90859395004.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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