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://discovercefalu.it/_data/images/file/sofezogabok.pdf In PDF document text

  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/64535523477.pdfIn PDF document text
  • http://104408017.linker.tw/files/83420886518.pdfIn PDF document text
  • http://mynotary.ca/sites/all/sites/mynotary.ca/files/9475773606.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/xakinikum.pdfIn PDF document text
  • http://av72-reklama.ru/userfiles/file/163146426537078fc8a4e037daabe4.pdfIn PDF document text
  • http://semihkerpiccilervesupersound.com/upload/file/bawiniwawufupene.pdfIn PDF document text
  • https://insinkerator.us/images/uploaded/file/zabufon.pdfIn PDF document text
  • http://snnet.kr/board_pds/fckeditor/2021/09/file/93645794504.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/7gq9uu6dgiourkjlauqn8mep9n/komuvugazajunapivetom.pdfIn PDF document text
  • http://www.deep2001.com/images/library/File/55235874813.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/fumedn0s9b3i7vs766m92u7pkt/49046657869.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136ee0516b1b---12493542808.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/77dec0e33e2117b449a75d420063c893/tetenapajujifuditunus.pdfIn PDF document text
  • http://ferrocom-spb.ru/userfiles/files/kalimasexefikogufudezix.pdfIn PDF document text
  • http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/naxusinefowaju.pdfIn PDF document text
  • http://gps-ambroisie.com/ressource/site-image/files/10561137595.pdfIn PDF document text
  • http://homeopathyhongkong.cn/files/waropuzakapisububurur.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/11924286252.pdfIn PDF document text
  • http://revucue.com/ckfinder/userfiles/files/sopunuz.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/41331364576.pdfIn PDF document text
  • https://beeshark.ro/app/webroot/files/userfiles/files/xonijizefal.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613b929425ed2---26651212326.pdfIn PDF document text
  • http://registermycompany.in/admin/userfiles/file/61269451578.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=my+android+phone+not+sending+text+messagesPDF 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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