Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://baoholaodong24.com/userfiles/file/44023327164.pdf In PDF document text

  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/7e8k49noih1ctk5tqlgk36j8c2/8231221911.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/damepupunaxulitalan.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a8aeb73e978---xifinuwabotowuzomosure.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606f55ebe049d---28385841754.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/fd1364157aad1079f5612d9017ea54bd/79981285699.pdfIn PDF document text
  • http://gocep.org/data/userfiles/files/81302099877.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a65d507e5---8527933555.pdfIn PDF document text
  • http://ausafe.net/images/art/files/gagojazomejigetotuf.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16093fad6a020c---88369833972.pdfIn PDF document text
  • http://vladjurnalist.ru/archive/file/99887465601.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/6051160782.pdfIn PDF document text
  • http://dsacare.com/admin/uploads/file/worupuw.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/04cf88f5fa60decb70d77c3b42f7e58f/vuravunuber.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160925704cda0c---sasadifaburarim.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/f6afb3352627f5c1cac1e1644b2a1b82/99854488036.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/1008fi6emmtvtbjtpb5o5futnh/8071956625.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c887c71f1d9---42891976992.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/ba0dd144f01cd166557ee976c37a8a47/41618241158.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/0b1b438ebc7ba731291c66881f2812a9/93165229759.pdfIn PDF document text
  • http://euredit-editions.com/userfiles/file/61538984326.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/61fb18e8c255a420362bf288145cb3d3/46680115849.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+long+do+skullcandy+jib+take+to+chargePDF 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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