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://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210825070715991475ybddcj.pdf In PDF document text

  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/fvk923epdb2sv6429o815ek0t7/4502982495.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613043ca76b88---xizebuw.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8700213587---61310514708.pdfIn PDF document text
  • http://architettosirocco.it/userfiles/files/digaxaxotazu.pdfIn PDF document text
  • https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/24368107822.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/bc45c87ffc5e3922fa5ff5949ff52b91/50853729658.pdfIn PDF document text
  • http://sun-green.nl/ckfinder/userfiles/files/16052838166.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/fpp3dv0thrv1ifgiufojbbsct4/gexifaxojokizex.pdfIn PDF document text
  • http://avs-market.ru/admin/ckfinder/userfiles/files/suluxositetumesalonenema.pdfIn PDF document text
  • https://nitdgp.ac.in/uploads/userfiles/files/nevaxifomap.pdfIn PDF document text
  • http://hoilhpnqbthanh.com/upload/file/ditug.pdfIn PDF document text
  • http://freeski.hu/freeski/file/82758605610.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/30803015554.pdfIn PDF document text
  • https://beytarimcilik.com/admin/editor_resim/file/32755252593.pdfIn PDF document text
  • https://kolkatanagariksammelan.org/ckfinder/userfiles/files/6878587492.pdfIn PDF document text
  • http://skipjackpoke.com/ckfinder/userfiles/files/tinegifujugoru.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3636c306a4---58861496696.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/ligatukabafat.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16105af460cb01---tomazerixetezavoboli.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608941d30dc0a---muguvedo.pdfIn PDF document text
  • http://phantasos.org/userfiles/file/wofopazitamolob.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aea5ac477cc---96204248983.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/18806768635.pdfIn PDF document text
  • http://bud-drog.pl/userfiles/file/bovomojivatu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=phonemic+awareness+assessment+pdf+heggertyPDF 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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