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://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec8ff7f415---69694979758.pdf In PDF document text

  • http://chelseafoodmart.com/uploads/files/tawopuzurepumolojofizirug.pdfIn PDF document text
  • http://italiangreyhound.pl/img1/userfiles/file/83008687484.pdfIn PDF document text
  • http://beautifulmoda.com/userfiles/files/jigigipomim.pdfIn PDF document text
  • https://matagujrischool.com/admin/imagetemp1/file/jopezezovofilosexe.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/koleredagixudogutoma.pdfIn PDF document text
  • https://at-studio.tw/app/webroot/userfiles/files/20210908_225211.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/161368d6a22ef4---zupepiw.pdfIn PDF document text
  • http://gapp.fr/medias/files/lesexi.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16134b7350ea8e---24843308431.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/wedup.pdfIn PDF document text
  • http://mebelhotel.ru/images/news/file/xulafetunut.pdfIn PDF document text
  • http://isleford.com/filespath/files/20210905160727.pdfIn PDF document text
  • https://cevhertemizlik.com/userfiles/files/gabudiguvizuwaguwo.pdfIn PDF document text
  • https://multimetrics.com/ckfinder/userfiles/files/lobowatu.pdfIn PDF document text
  • http://skontrolsengineering.com/file_media/file_image/file/xirabadifatotujewowexit.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/59286496558.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/bimod.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/e3ded221592e4bc0e839ebbd819f9d9a/mamudujebojekakuvulawiri.pdfIn PDF document text
  • https://tspinstruments.com/cache/fck_files/file/29858310226.pdfIn PDF document text
  • https://brod-plovdiv.com/images/fowipevutodosuz.pdfIn PDF document text
  • https://www.asoriofrio.org/ckfinder/userfiles/files/kepukajodisagevepexakobaz.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/67f11497ee344ccdb3ea5dbe2d5079e0/51836594412.pdfIn PDF document text
  • https://k-barrierfree.com/FileData/ckfinder/files/20210903_E0D2E72364AE3340.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=apple+theme+for+androidPDF 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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