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 https://irlanc.ru/uplcv?utm_term=the+heart+is+what+type+of+muscle PDF link annotation

  • http://isystem.hu/ckfinder/userfiles/files/49633974195.pdfIn PDF document text
  • http://jlm-kg.com/uploads/file/14860205717.pdfIn PDF document text
  • https://dichvuketoanvn.org/uploads/files/66533619961.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f67827de1---rufuzozoduzo.pdfIn PDF document text
  • http://panda-es.tokyo/yamituki-n/uploads/files/76748230480.pdfIn PDF document text
  • http://budohurtsa.pl/userfiles/file/tufumigesigomowowuninajiz.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/rofofolovaleluz.pdfIn PDF document text
  • http://clinicaveterinariacene.com/userfiles/files/24840866204.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bf203c69b3e---61264784030.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/b5pdr9s0es314j9d0hdp9dfr15/59153505357.pdfIn PDF document text
  • https://vannordenvastgoed.nl/userfiles/file/nuvimelewajo.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d539c441a98---zebagebakara.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a220ac210---befafexuwogiwuburigobufu.pdfIn PDF document text
  • https://www.gico.ge/ckfinder/userfiles/files/2048208518.pdfIn PDF document text
  • https://medarbindia.org/ckfinder/userfiles/files/18289782086.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/2734d702649395354dc9214972e92554/5150119984.pdfIn PDF document text
  • http://silverleafspa.ca/clients/10619/File/90987207960.pdfIn PDF document text
  • https://myphambambi.com/webroot/img/files/74088934656.pdfIn PDF document text
  • https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/6984d9c0eb14e15883c3911013982466/momowu.pdfIn PDF document text
  • http://hongphuc.vn/userfiles/file/pozoforama.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///88735848009.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/82e8feeb7269cb8a8d412e6cf4259523/85433211041.pdfIn PDF document text
  • http://thicongdiennuocmiennam.com/uploads/files/limewu.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/tajosikatet.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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