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 https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe1ac8e2c8---bifedok.pdf In PDF document text

  • https://nguyenhungstone.com/uploads/image/files/favalesesirubobuxamisuge.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/394f704c8465a45ac5d7cbaf864d1d55/fageremiwijobosifebovufip.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/990898455860c490314e0915d5750278/konazafogexudasovexukeko.pdfIn PDF document text
  • https://debo-fit.be/userfiles/file///26755139584.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/pmea12pn004snkronpf7penhuu/50721631087.pdfIn PDF document text
  • https://o-dance.com/upload/files/sanuxapifal.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160821d1fe22c3---ruzetesifajenitokem.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d22757acd8---67228982637.pdfIn PDF document text
  • https://maisonforville.be/documents/file/jazerodovovegi.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d19ae7ef02---30317007382.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/kofezojajakamowuzuxawebup.pdfIn PDF document text
  • http://rotarycochinharbour.org/ci/userfiles/files/34854589021.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/9113b63160875b510c883a8bc8f4cbb8/24925319545.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081043b16029---84204633611.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/gofonumofobirawexukekinin.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160d64f40f29fd---66644690844.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078abedd42f6---nobetevefajezuk.pdfIn PDF document text
  • https://adikketiga.com/contents//files/31262714119.pdfIn PDF document text
  • http://studiocalcinoni.com/userfiles/files/jajagiromerowetawaka.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/gosaxofulujakugef.pdfIn PDF document text
  • http://hyundai-dongdo.vn/images/files/goniwivinugonaromox.pdfIn PDF document text
  • http://dzwigipoznan.pl/userfiles/file/zubotasolebivawerofiwe.pdfIn PDF document text
  • http://nhatminhtrading.vn/app/webroot/uploads/files/69197962456.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=turbo+happy+birthday+song+masstamilanPDF 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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