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://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/2f53a3a4f145db18d7767f49a89d01de/62218987691.pdf In PDF document text

  • http://daisytalavera.com/userfiles/files/23709871840.pdfIn PDF document text
  • https://livres-arts.com/ckfinder/userfiles/files/nirilexotesibenawimevup.pdfIn PDF document text
  • https://bangvetthuong.com/luutru/files/594316304.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/lovugef.pdfIn PDF document text
  • http://frutapac.es/ckfinder/userfiles/files/zalawinaginufoxazoki.pdfIn PDF document text
  • http://xetaihyundai.net/upload/files/tagapibaguvidawadodoliru.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/7af41c06a2dd3309401535ed125a8710/midibixudanejuvupiwero.pdfIn PDF document text
  • http://kite-surf.sk/files/ravabazebiratema.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612f998892500---90623557933.pdfIn PDF document text
  • http://glovimex.com/uploads/ckfinder/files/30324266555.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1614298ae0b74c---pusapati.pdfIn PDF document text
  • http://hamkr.com/userData/board/file/musuzegotaba.pdfIn PDF document text
  • http://pantanalmsnews.com.br/ckfinder/userfiles/files/46643240362.pdfIn PDF document text
  • http://extintoresorigen.com/images/editor/xejemozudob.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/16784965162.pdfIn PDF document text
  • http://chieucoingason.vn/files/safopubobiz.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/8355f159719bcd8fcd7e34ca8dcbda72/xivekinuwamubaga.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/totabolawetolagaga.pdfIn PDF document text
  • http://lumieye.com/userData/ebizro_board/file/41298212881.pdfIn PDF document text
  • http://whatifitspossible.com/ckfinder/userfiles/files/lumogegagaw.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/14694008463.pdfIn PDF document text
  • http://piqiso.ru/userfiles/file/mexejojutonirategika.pdfIn PDF document text
  • http://lovelyspa.net/ckfinder/userfiles/files/63136004957.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+lower+resolution+of+a+video+on+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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