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://coretry.ru/uplcv?utm_term=clasificacion+de+los+compuestos+inorganicos+pdf PDF link annotation

  • http://garage-fuji.jp/js/upload/files/jifuligikiduladubikuluv.pdfIn PDF document text
  • http://bigbulkbags.ahmadpackages.com/survey/userfiles/files/xaxele.pdfIn PDF document text
  • http://citadelcaralarms.com/userfiles/file/43123138874.pdfIn PDF document text
  • http://hulstcustoms.ru/uploads/files/15132834239.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ee634b12b---sipan.pdfIn PDF document text
  • http://fabriquetextil.com/js/new/fckeditor/userfiles/file/85599119928.pdfIn PDF document text
  • http://lnyuanzong.com/uploads/files/20210901051426.pdfIn PDF document text
  • https://dancleland.com/img/upload/file/69958736364.pdfIn PDF document text
  • https://holycrosshealthcare.com/userfiles/files/retejegikubefezi.pdfIn PDF document text
  • https://ambalatender.com/upload/files/48116250057.pdfIn PDF document text
  • http://patanamachine.com/imgUpload/files/metilezetupujakuzod.pdfIn PDF document text
  • https://edusfera.pl/upload/file/29822055847.pdfIn PDF document text
  • http://bonezi.morefriendship.com/upload/files/80409227151.pdfIn PDF document text
  • https://royal-art.pl/uploads/userfiles/files/ludonodovexalisukoraz.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1de525edf---gaxepavabefutorupetutax.pdfIn PDF document text
  • http://maternites-catholiques.org/ressource/site-image/files/mapejusig.pdfIn PDF document text
  • https://davnosti.ru/upload/68581688360.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/sovak.pdfIn PDF document text
  • http://thuexedanang247.com/uploads/image/files/vopubefim.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec4a25b93b---lasuzisefulavewof.pdfIn PDF document text
  • https://polresseluma.com/assets/ckfinder/core/connector/php/uploads/files/gosimubogapajubosu.pdfIn PDF document text
  • http://ukicda.com/admin/fckeditor_upfiles/file/2021090718463280554.pdfIn PDF document text
  • https://bahamianbrewery.com/ckfinder/userfiles/files/janubodepak.pdfIn PDF document text
  • http://elitakhealing.com/ckfinder/userfiles/files/vodufukizav.pdfIn PDF document text
  • https://geya99.com/ckfinder/userfiles/files/94525878328.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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