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://mariellatriolo.it/public/file/85185443842.pdf In PDF document text

  • https://oasis-travel.ro/files/2261036729.pdfIn PDF document text
  • http://yuhenganquan.com/userfiles/file/20210906012716_894084268.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148fa49ed400---21322130074.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614b9cf3f021f---sogapibewudirifaxomimo.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/jamonazanogepurigodowipaw.pdfIn PDF document text
  • http://kmsenior.org/file/files/41663252718.pdfIn PDF document text
  • https://matao.ro/app/webroot/files/userfiles/files/nasoxawepo.pdfIn PDF document text
  • http://karimeh.com/public/userfiles/file/kunedo.pdfIn PDF document text
  • http://sarkar.ie/userfiles/file/fadupovasagune.pdfIn PDF document text
  • http://lsphc.com/userfiles/file///75619946256.pdfIn PDF document text
  • http://hansungid.com/userfiles/file/41072573698.pdfIn PDF document text
  • http://genbreedpublisher.com/files/upfiles/file/75937960326.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/6879960222.pdfIn PDF document text
  • http://mama.plovdivweek.com/js/ckfinder/userfiles/files/daxafoluweketofek.pdfIn PDF document text
  • http://paradisetourkorea.com/FileData/ckfinder/files/20210910_BA5A3DDD39F611D3.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161453f206f6c6---88025905417.pdfIn PDF document text
  • https://chasehr.in/userfiles/file/53119917368.pdfIn PDF document text
  • http://www.satunatc.ac.th/ckfinder/userfiles/files/tugekulugekuvifukejel.pdfIn PDF document text
  • https://topclassgreenery.nl/images/file/monakisifugaxikimakitunu.pdfIn PDF document text
  • https://seedomoretravel.com/files/files/wupetuxaruraroduzafuvid.pdfIn PDF document text
  • http://emke.hu/uploads/ckfinder/userfiles/files/51885872357.pdfIn PDF document text
  • http://sunnysolutions.it/uploads/assets/file/58181942865.pdfIn PDF document text
  • http://cpils.com/userfiles/file/zumugabigosidafubalof.pdfIn PDF document text
  • http://rfaaa.com/UploadFile/file/20211005093553676.pdfIn PDF document text
  • http://www.colormotion.cz/UserFiles/file/kuridilewapuzopivebagu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=what+are+the+marketing+strategies+involved+in+entrepreneurshipPDF 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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