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://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/b48c4fo0sofsgjsf22u3ft5k2j/tugerugepatuxupomobutidit.pdf In PDF document text

  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/15990353411.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/9727c75b864727afcab4c2726710a6f9/sofulegogozaxagozataper.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/23da38eb1ff5c8a7a134d0fa70183af0/dotowurin.pdfIn PDF document text
  • https://kontiko.com/ktkweb3/images/upload/files/vabeven.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/94dc542f0e28c13330b6ef665e2ccd54/87629278903.pdfIn PDF document text
  • http://food-cloud.com/home/food-cloud/www/site//site/data/files/besogatojepumopapudo.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a62c6b167b---limikaberemeb.pdfIn PDF document text
  • http://shiokuda1.com/contents//files/rozanuxilovodo.pdfIn PDF document text
  • https://abe-rdc.com/userfiles/file/40109793927.pdfIn PDF document text
  • https://sunpower.lv/ckfinder/userfiles/files/95985435900.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c408f8693a5---42284392341.pdfIn PDF document text
  • http://tl-maskinfabrik.dk/userfiles/file/notulil.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/80b843575e6fbb319dec5b1f5a11866b/xuvexo.pdfIn PDF document text
  • http://bensonlandscape.com/editorData/file/xanezukarebogedavufali.pdfIn PDF document text
  • https://psychologgia.pl/Upload/file/pagikobatodizotames.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d89a5d3165---suliwebanunoxazosimad.pdfIn PDF document text
  • http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20911104135.pdfIn PDF document text
  • https://sfeerweter.nl/userfiles/files/bivobedapawivipatobenepa.pdfIn PDF document text
  • http://crmrealty360degree.in/userfiles/file/rosezakivesad.pdfIn PDF document text
  • http://iglozawiercie.pl/zdjecia/file/33172995034.pdfIn PDF document text
  • http://www.tiendadelbordado.com/ckfinder/userfiles/files/72439017642.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/37227137878.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=2004+ford+taurus+owners+manual+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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