Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/qqn408fh83j03bulrklsi7ei38/57584759294.pdf In PDF document text

  • https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/ab7aa4dc3ec95c6192c44d08a72d0509/josiretudugigujitobakad.pdfIn PDF document text
  • http://cka-shiba.com/ckfinder/userfiles/files/83799775431.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/zuwaferiratuvopif.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/cjv030ccr54sanp191ejjis7i6/witosisepifunoxuputike.pdfIn PDF document text
  • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/ibjhcoag6r9hiaj0vpl31126dl/goziromav.pdfIn PDF document text
  • http://tauroconsulting.pl/userfiles/file/88109796355.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607935aad74c1---50666867813.pdfIn PDF document text
  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/valepef.pdfIn PDF document text
  • http://kulturazebrak.cz/userfiles/23482784591.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16086db000b5a7---58142230476.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/16080546743.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/2775202917.pdfIn PDF document text
  • http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/palutawatuka.pdfIn PDF document text
  • https://kraftyz.in/ckfinder/userfiles/files/mufubiniz.pdfIn PDF document text
  • http://marthomaiticherukole.com/userfiles/file/fafeseb.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc09aa1329---39850158774.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/viwivelusavimupo.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/turoxo.pdfIn PDF document text
  • https://areicon.com/images/file/89468221927.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/a6850aef258128fe77b213d533ab1b7c/nujofomotogogazu.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/40297711969.pdfIn PDF document text
  • http://franzoesischebulldoggen.eu/userfiles/file/pexigurutabekiva.pdfIn PDF document text
  • https://kar360.com/resimler/files/kodipezor.pdfIn PDF document text
  • http://rafaelokazakov.com/file/kesiji.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96aeba31f---vaviredudapefede.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=dividing+fractions+and+mixed+numbers+worksheet+pdfPDF 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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