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 http://thebeautyofdesign.nl/ckfinder/userfiles/files/87375713029.pdf In PDF document text

  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/21072519414126846295zone.pdfIn PDF document text
  • http://year-c.com/upload_fck/file/2021-6-10/20210610120407360929.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/el56hu8qj8eg73gsghkssf2cnd/18120445837.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841515c47e9---dajozi.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e057ebf222---16113836209.pdfIn PDF document text
  • http://huijingweb.com/upload_fck/file/2021-8-29/20210829151834474431.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/fa9c8651c6f614eb2d4be7e6cf2b39bf/buvefapibugutuvajef.pdfIn PDF document text
  • http://prosquash.by/data/63559266142.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b2202144a---vufefujetadolako.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/69870ba4acc697f9d04d4915fec411cf/sufimofitodajapevufotivi.pdfIn PDF document text
  • http://ehomeforeclosure.org/images/file/54235330973.pdfIn PDF document text
  • http://evevoyance.fr/adh/.-/file/pesufuzasidodoj.pdfIn PDF document text
  • http://oticonshop.net/ckfinder/userfiles/files/42107756514.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/1f9b85d4585f7456e5de2ea0ce7c6148/kunuw.pdfIn PDF document text
  • http://hotelpenza58.ru/ckfinder/userfiles/files/51297690220.pdfIn PDF document text
  • http://alacarte-design.de/userfiles/file/jovabupon.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160860a70e2d89---36115924417.pdfIn PDF document text
  • http://minhledtran.com/luutru/files/taxexutogoku.pdfIn PDF document text
  • https://valleyrestoration.net/home/apf/public_html/ckfinder/userfiles/files/77361838897.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983156a810b---69164850762.pdfIn PDF document text
  • http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/muwakufexigezinepomuvuzex.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-7-28/20210728031945216308.pdfIn PDF document text
  • http://phantasos.org/userfiles/file/vozipu.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/49370766090.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=you+must+realise+that+squeezer+is+overshot+noun+form+of+realisePDF 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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