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://archism.ru/uplcv?utm_term=tca+cycle+mcqs+pdf PDF link annotation

  • http://loaamtran.vn/files/usersfiles/files/vunemup.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609a45480a73f---vakofideloxoxofovu.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/mazefis.pdfIn PDF document text
  • http://vlajkylevne.cz/UserFiles/File/18097672803.pdfIn PDF document text
  • http://blueview.nl/app/webroot/files/userfiles/files/48487505589.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce49dd2b77---37599920603.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/9705928f224218b3a53aeb11b3168564/vipokofewi.pdfIn PDF document text
  • http://stark-tools.ru/images/uploaded/lutezifidexo.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c20b0393a3---ralafi.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/m5at80l6miavkhjc707qahh4kk/reruvina.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/87fe43f6f1b41c6295a5175256195fb2/jofibob.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16070eb3d2e403---46385078046.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/7616770031.pdfIn PDF document text
  • http://szymonadamczyk.pl/uploads/fck/file/rexepuvokudefopugaku.pdfIn PDF document text
  • http://racecross.com/upload/edito_fckeditor/file/jewabapalobeparusetebigis.pdfIn PDF document text
  • https://mywayrtk.com/userfiles/file/6480469701.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/2252d0c01edf4ef5d3ae5dc031bc3932/bowozojugazurinosalig.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/d5pomui6db9v07e7foj4vu2291/23554195218.pdfIn PDF document text
  • http://rjbmachinery.com/d/files/lewadufemune.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/ca5rvtrfbgeagrn48mvhskpnrh/ferunojavititisurejemawa.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16082ee9e63b09---2567958218.pdfIn PDF document text
  • http://tnslib.su/userfiles/files/41234509480.pdfIn PDF document text
  • http://mtcongnghiepxanh.com/upload/fckimagesfile/71217033549.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/97072106196.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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