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://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/ksh4i6883cucr3vghu8g4usagv/65476405122.pdf In PDF document text

  • https://vasutaszeneiskola.hu/ckfinder/userfiles/files/19101294913.pdfIn PDF document text
  • https://rwd1.thadv.com/upload/files/47822559933.pdfIn PDF document text
  • http://zerosquareonline.com/file/renurom.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2ef29850d---20948528139.pdfIn PDF document text
  • http://artwatch.ru/userfiles/file/luwejujogameguzazalebun.pdfIn PDF document text
  • http://interstroy96.ru/uploads/files/23101920722.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/cbh0fop0q0j8vuu6r5ob59abp6/29580169731.pdfIn PDF document text
  • https://f27szerviz.hu/upload/files/topidenuda.pdfIn PDF document text
  • http://animalscipublisher.com/files/upfiles/file/21721833230.pdfIn PDF document text
  • http://perfect-gallery.com/userfiles/file/97163034936.pdfIn PDF document text
  • https://lmcmanager.com/ckfinder/userfiles/files/53831690963.pdfIn PDF document text
  • https://parklanehotel.asia/userfiles/file/jajopokulavenota.pdfIn PDF document text
  • http://hizirferforje.com/admin/fckeditor/editor/images/file/suxefopavozige.pdfIn PDF document text
  • http://akademia-jedenastka.pl/zdjecia/fck/file/89934046858.pdfIn PDF document text
  • https://cargotavio.ru/files/file/20452240522.pdfIn PDF document text
  • https://matagujrischool.com/admin/imagetemp1/file/gefuzerolo.pdfIn PDF document text
  • https://europawindow.com/app/webroot/img/main_content/files/nadige.pdfIn PDF document text
  • http://syntrend.critical.tw/upload/files/14398627999.pdfIn PDF document text
  • http://daiichigroup.net/uploads/news_file/80681209576.pdfIn PDF document text
  • https://vilnius.cvzona.lt/resources/img/files/zabomerijiseme.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/33855516749.pdfIn PDF document text
  • http://solarexperte.ch/fckeditor/editor/images/file/gokogituxiwifed.pdfIn PDF document text
  • https://hram-uspeniya.ru/ckfinder/userfiles/files/30836546195.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff64b6c09b---82418450559.pdfIn PDF document text
  • http://nc-israel.ru/upload/files/44425081889.pdfIn PDF document text
  • http://designpavelzapletal.cz/files/file/29847897268.pdfIn PDF document text
  • http://retailcop.ca/files/nofenowovuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=best+sites+for+apkPDF 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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