Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 http://zeguvietnam.com/uploads/ckfinder/files/jubalelizof.pdf In PDF document text

  • https://residenciasanamaro.es/userfiles/files/tozawupedarobor.pdfIn PDF document text
  • http://sarkar.ie/userfiles/file/29093671827.pdfIn PDF document text
  • http://tele-klass.ru/i/upload/files/53352689798.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/6eb8ba47de076514bf4c959c87a61c96/dejitedozigosowibaruzunar.pdfIn PDF document text
  • https://aimtronu.org/userfiles/file/xuboreluvimexorebujeworez.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354feadaa00---38727965318.pdfIn PDF document text
  • https://textmakareknutsson.se/upload/image/nojuzejiduxotulu.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613214506a9a0---70207888320.pdfIn PDF document text
  • http://185.33.116.145/~acus01/upload/files/rurojikun.pdfPDF link annotation
  • http://c2r.su/uploadfiles/file/2021091104430273499.pdfIn PDF document text
  • https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/67657111221.pdfIn PDF document text
  • http://evolution-dev.com/file_media/file_image/file/60478376823.pdfIn PDF document text
  • http://emilygrilltogo.com/uploads/files/zatafod.pdfIn PDF document text
  • http://badischer-kunstverein.de/ckfinder/userfiles/files/seluvok.pdfIn PDF document text
  • http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/juxurin.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/1728289168.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f69d1c8c6e---73035739082.pdfIn PDF document text
  • https://prosaison.fr/userfiles/files/30378051288.pdfIn PDF document text
  • https://inoxquochoang.com/app/webroot/files/images/pages/files/90209728109.pdfIn PDF document text
  • http://studiobaliva.eu/userfiles/files/vurixabafij.pdfIn PDF document text
  • http://murielbellhomes.com/userfiles/files/mural.pdfIn PDF document text
  • http://dungcumaymoc.com/Images_upload/files/24237216785.pdfIn PDF document text
  • https://flour.co.uk/ckfinder/userfiles/files/rutudatukupagesun.pdfIn PDF document text
  • https://chokysitohang.com/Uploads/userfiles/files/rokizigijinutojaxifajef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=pubg+pubg+lite+updatePDF 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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