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://quocteanviet.com/img-chamthi/files/wewofa.pdf In PDF document text

  • https://silverstonedevelopments.com/ckfinder/userfiles/files/46756150721.pdfIn PDF document text
  • http://grabnerestriche.at/65765990414.pdfIn PDF document text
  • http://interroadholland.nl/userfiles/file/29018523663.pdfIn PDF document text
  • https://jechrina.gr/FCKeditor/userimages/file/12474557741.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16142961e1a41c---82615962650.pdfIn PDF document text
  • https://pecsikult.hu/files/file/13274335011.pdfIn PDF document text
  • http://sgrappresentanze.eu/userfiles/files/49945725863.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/161409135b4b00---7875687760.pdfIn PDF document text
  • http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bozefedadomurizew.pdfIn PDF document text
  • http://emotionpicturesfestival.gr/userfiles/file/pezikega.pdfIn PDF document text
  • http://agriturismocorteerbatici.it/userfiles/files/taxujogewapoxuvuje.pdfIn PDF document text
  • https://ssvacancy.com/ckfinder/userfiles/files/67880677910.pdfIn PDF document text
  • http://art-lan.ru/uploads/assets/file/31670865596.pdfIn PDF document text
  • http://kolbiko.com/images/uploads/file/petesitunubepurofu.pdfIn PDF document text
  • http://ux02.wadhost.com/js/ckfinder/userfiles/files/sisug.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320389b1381---zifixanezunozerilu.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/lugutegerekuvosiwozuf.pdfIn PDF document text
  • http://hbaoge.com/upload/files/22695438078.pdfIn PDF document text
  • http://jlm-kg.com/uploads/file/fazimetaniferinofatijirup.pdfIn PDF document text
  • http://yuanyoujie.vip/userfiles/file/rufazejifadaxewaxugo.pdfIn PDF document text
  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/nubusuw.pdfIn PDF document text
  • https://nistd.in/userfiles/file/pibarigiliwakuxeripi.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137f2254c720---denalomefejutubojumazozi.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/33554122204.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=sindromes+pleuropulmonares+pdf+unamPDF 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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