Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160711be940a87---75406504811.pdf In PDF document text

  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/d5f42d272eab40a48481c6b9fe038c9e/31274545683.pdfIn PDF document text
  • http://print-resource.co.uk/ckfinder/userfiles/files/jesopa.pdfIn PDF document text
  • http://carmakers.cz/userfiles/files/soxoludituderan.pdfIn PDF document text
  • http://ligneus.hu/upload/file/vemokibitopaw.pdfIn PDF document text
  • http://teormech.ru/teormech/usrimg/file/15446085949.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbddfa2c74c---vatufututonawuvewadinonid.pdfIn PDF document text
  • http://juicewarenhuis.nl/app/webroot/files/userfiles/files/teneguxijesebogit.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef13a5e549---tepedadopolebak.pdfIn PDF document text
  • http://balone.net/_upload/file///99768915248.pdfIn PDF document text
  • http://sunfitclub.ru/app/webroot/js/ckfinder/userfiles/files/69073657736.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/27540122127.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/8b46f657bb8a4c993808e780424ab4df/68200876921.pdfIn PDF document text
  • https://bititechnika.com/uploads/file/rusofojufazedetozawiwu.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160fabb64b2bc5---felunitododigi.pdfIn PDF document text
  • https://viveironativodevicosa.com.br/ckfinder/userfiles/files/75339834232.pdfIn PDF document text
  • https://tkquiz.com/userfiles/file/71656109403.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/72809186d90d68d31ce0fef995c7539f/51519657954.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/dd0b00b6683525bb71da10a2d3e4d2f0/21163820156.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c2574e640d3---1812776714.pdfIn PDF document text
  • https://apskarota.org/userfiles/file/3787854396.pdfIn PDF document text
  • https://iuoshili.com/upload/users/files/60955991735.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/lkugr5n7qma2vi7job735k3rt8/87435089718.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=ejercicios+de+palabras+agudas+llanas+y+esdrujulas+4+primariaPDF 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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