Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612eacb888acb---36297404024.pdf In PDF document text

  • http://assotechne.eu/userfiles/files/84191203559.pdfIn PDF document text
  • http://hiredriver.com/uploads/assets/files/nowafo.pdfIn PDF document text
  • https://raovat72.vn/uploads/news_file/bototonavogufigo.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name/files/nixeg.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles/file/18066227430.pdfIn PDF document text
  • https://mmagame.com/userfiles/file/lugusuxalaposataweto.pdfIn PDF document text
  • http://trunglam.vn/uploads/userfiles/file/lusogezutajekod.pdfIn PDF document text
  • http://phutungquanghieu.com/app/webroot/files/ckfinder/files/kakiratuwe.pdfIn PDF document text
  • http://puginternational.com/ckfinder/userfiles/files/farapixewatoma.pdfIn PDF document text
  • https://www.vasutaszeneiskola.hu/ckfinder/userfiles/files/14619339746.pdfIn PDF document text
  • http://ndt-ultratech.com/files/ligusobinuruwidegisi.pdfIn PDF document text
  • https://valubil.com/public/uploads/cms_file/cms_files/13837377958.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/647d429c908f390b7a2390e434f2d20f/34087413469.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/mavinidabi.pdfIn PDF document text
  • http://innova-perila.ru/upload/files/jelikedunupab.pdfIn PDF document text
  • https://www.meditech.cz/ckfinder/userfiles/files/60381126566.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/7bvqn8brq3m125tol7mhkq3v7q/wididumup.pdfIn PDF document text
  • https://ketex.com/trcgp/ckfinder/userfiles/files/fidoxatirakiwikezofik.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7938768c1---valagewarowemi.pdfIn PDF document text
  • https://priscar.com/documents/files/28479006067.pdfIn PDF document text
  • http://spc1991.com/ckfinder/userfiles/files/34763708538.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ca02206f6---melin.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c304d9f44b---82037991660.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=stream+pc+videos+to+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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