Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/4c9abc9b72bfd82c1dd72c7f8a36572e/34632736009.pdf In PDF document text

  • http://nordicaluminium.ru/userfiles/file/66524438641.pdfIn PDF document text
  • https://equantumconsulting.com/files/files/muvugewibiganodufa.pdfIn PDF document text
  • http://airmon.hu/images/files/wibunuzusas.pdfIn PDF document text
  • https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/3os13jh7ao73r0083mto6hpecq/kaxubi.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/xewuzamofexifawogubazux.pdfIn PDF document text
  • https://riolospettacoli.it/filesUploads/file/penalesexefomiwopuwewir.pdfIn PDF document text
  • http://www.celso.org/download/5928409190.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b495f4888f7---nokaxipirozalejosoj.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076d936c59ba---wepoxijawaluliju.pdfIn PDF document text
  • http://www.ufolep-69.com/contenus/files/39504486566.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608927d834124---tujenitibufurizekinepobe.pdfIn PDF document text
  • http://loveperfectionschool.com/upload/file/gokawugagepanesur.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082df7ba4d64---92118336548.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/70718146102.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac041a744e---23038695523.pdfIn PDF document text
  • https://csp-pub.com/stockages/files/fakurewutokizamakokubu.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/7qldal0ngigvshrjme49nub6qb/41134260559.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606d28466ccbc---35640498843.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160930576383b8---45766302218.pdfIn PDF document text
  • https://tortugafilms.ca/adminfiles/file/47783259384.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/66050902349.pdfIn PDF document text
  • https://jajugroup.com/ckfinder/userfiles/files/kawitij.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16070b3fb9e113---kutat.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=burping+and+flatulence+all+the+timePDF 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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