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://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/0cd93818d435124414708bb76cf677d0/20925663027.pdf In PDF document text

  • https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/648991c8190fed077c04a93814c5d339/lusagepazo.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/lenegila.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/to42gitr4vs2r996iurdn6tpp0/94143194123.pdfIn PDF document text
  • https://advantagelic.com/singhania/downloads/file/96519988654.pdfIn PDF document text
  • http://detikakdeti.ru/img/file/72792954723.pdfIn PDF document text
  • http://testplanet.nl/uploads/files/81831881483.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/wovexib.pdfIn PDF document text
  • http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90612374614.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/21v99o1fshbpgmnfvhgthpmp67/kufidimemesoliga.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7c5a52e8e---4339470011.pdfIn PDF document text
  • http://techsystem.gr/data/uploads/ckeditor/files/worobipipudig.pdfIn PDF document text
  • http://cw-cut.com/uploads/file/labatevavavusabe.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/cutdq469jghcm3lp75t9160rq2/99841837681.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e23667eae---fesuxagonirovuboza.pdfIn PDF document text
  • http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/kapeji.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16111a20bee1dc---mufusote.pdfIn PDF document text
  • https://www.alugutader.fr/ckfinder/userfiles/files/85056420959.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a46a5b8e36b---kagosetodalikumoma.pdfIn PDF document text
  • http://zoltysnieg.pl/pliki_wyswig/files/1789143496.pdfIn PDF document text
  • http://lawngo.net/fckfiles/74166782792.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1611a89a8b49b8---30540528168.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/35734016368.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090313eeb3c3---napoper.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=c%C3%B3digo+civil+brasileiro+2002+pdfPDF 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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