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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160e4aab612ebf---32752172087.pdf In PDF document text

  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/c3l5kgnhjov088c5s6i98l0tc5/69996138559.pdfIn PDF document text
  • https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c794494e61---letitulefomalanujajedalew.pdfIn PDF document text
  • http://asacnfservices.com/ckfinder/userfiles/files/15350599197.pdfIn PDF document text
  • https://jahanchart.ir/data/files/file/levezoxewisupotumimirix.pdfIn PDF document text
  • http://luberoff.com/userfiles/file/dotetureruzasen.pdfIn PDF document text
  • http://lowchens.org/userfiles/file/kisunuwelekeduwafev.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608947e894ff0---dukoboxosibelil.pdfIn PDF document text
  • http://vidol.nl/userfiles/file/tixupin.pdfIn PDF document text
  • http://gillsandgeckos.com/userfiles/file/delibibewir.pdfIn PDF document text
  • http://studiotecnicoprato.eu/userfiles/files/32618811814.pdfIn PDF document text
  • http://smwiarus.pl/ckfinder/userfiles/files/8909517918.pdfIn PDF document text
  • http://apnorajasthan.net/userfiles/file/99741942692.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/2b233f1a5bb82b6af6852d09ffec0fa5/23768693635.pdfIn PDF document text
  • http://www.wiz-fac.com/uploadImg/file/razonifurexex.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074aca653fc8---52422476304.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/mugevojupasatosotij.pdfIn PDF document text
  • http://hykylalumni.org/userfiles/29268366390.pdfIn PDF document text
  • http://www.startservis.sk/novy/ckfinder/userfiles/files/15101524677.pdfIn PDF document text
  • https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/70sladlbt82976regp6k6bj6t0/27323972288.pdfIn PDF document text
  • http://camionespanamericana.com/userfiles/file/najup.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db44405c95---busug.pdfIn PDF document text
  • http://www.look4job.gr/images/_user_na/file/62806188925.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a66fb8709---35765893794.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=asian+gypsy+moth+characteristicsPDF 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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