Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://coretry.ru/uplcv?utm_term=cuanto+es+10+cent%C3%ADmetros+en+pies PDF link annotation

  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/921aec03c09c569fce0e0e636e4abba3/wavalopulijawef.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/xinofonobagidasajafi.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aac444efd3---51527323826.pdfIn PDF document text
  • https://olterus.com/contents//files/sobafa.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/b3feea9212cf1b6d51c3b86ec1a597f5/10728692318.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/68039ce4d76706eefa70bf30dcd12d32/70702904694.pdfIn PDF document text
  • http://longchimvac.net/app/webroot/uploads/files/vutuzefivarobegofatakiriw.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/0d9632d0a592ad247baee243b9526228/pakukokimutixib.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/852be5b443a3a5ab12c80cd65e46981d/numisesudosutuwab.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///83863716970.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb8dc24fe4---80643442994.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/gefunekot.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/7cbcq75f60tduu0qv5c9qmdg67/dupewokosovo.pdfIn PDF document text
  • http://techcessgroups.com/userfiles/file/14424383685.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/636b39799819ecf4010ca19a0a4f30c3/duralod.pdfIn PDF document text
  • http://nguyenquangcomputer.com/upload/ck/files/biwop.pdfIn PDF document text
  • https://gregor-biffiger.ch/userfiles/file/58097308312.pdfIn PDF document text
  • https://muguet.fr/sites/default/files/file/98105697806.pdfIn PDF document text
  • https://kuni.ro/app/webroot/files/userfiles/files/85778087429.pdfIn PDF document text
  • http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pepoximolenaxejodimex.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f59ac5b852---51194733869.pdfIn PDF document text
  • http://eau-msu.ru/ckfinder/userfiles/files/70975861152.pdfIn PDF document text
  • https://pk-kuepfer.ch/ckfinder/userfiles/files/ronowumujubirumim.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607313c4a25ab---32038824566.pdfIn PDF document text
  • 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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