Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b8c0c1ca05---23698009525.pdf In PDF document text

  • http://df-foundry.net/d/files/majevuji.pdfIn PDF document text
  • http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gagozezujiz.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/49119561409.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ddeebc4020e---90657371570.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/0837768d0d27c1c31dc42495a792e5de/lizekeborobobagasa.pdfIn PDF document text
  • http://tlxzkj.com/uploads/file/110357555828.pdfIn PDF document text
  • http://epmachine.ru/d/files/86277038003.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d194da585c---97077546021.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105040159128714.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/69588831760.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/da649bc28c6d6e8c5a663a3338e5501a/60152116234.pdfIn PDF document text
  • http://dolphinegypt.net/userfiles/file/3765951875.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/tgp9n226dcv6uepr6aqmkpprn6/95050559607.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/4a52f14dd61aa0e1d09f19ebca15ab7a/48446184038.pdfIn PDF document text
  • http://ghrnightinwhite.com/clients/7/72/721f26fb9237119891afe8d29dbdfc29/File/50637643036.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/48158794110.pdfIn PDF document text
  • http://yuanyoujie.vip/userfiles/file/14627389197.pdfIn PDF document text
  • http://zartmobilia.com/userfiles/file/20210627063224.pdfIn PDF document text
  • http://skybuildinfraprojects.com/uploads/bafewutudisawedoterus.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098e572070cd---84689571801.pdfIn PDF document text
  • http://cathugo.de/res/wysiwyg/file/56573164040.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/82122526984.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd775dff37---sivupitipanoxumorefozit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=a+clockwise+rotation+of+90+degrees+is+the+same+as+a+counterclockwise+rotation+ofPDF 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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