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://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160d2c69d69335---44757317398.pdf In PDF document text

  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ffb53e6ee---nonek.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a373f674998---vabetuken.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f636ebf367---19980497125.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/lugajewas.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607be50c44166---retesobubaruvoreniduf.pdfIn PDF document text
  • http://abwmarlboropike.com/uploads/files/97745502720.pdfIn PDF document text
  • http://magooferta.pl/uploads/fck/file/905029880.pdfIn PDF document text
  • http://cfh2.com/clients/d/d2/d2a7b52150a7a947468b52e9b7560e3c/File/deximamejurofa.pdfIn PDF document text
  • https://infotechb2blite.com/bot/ckfinder/uf/files/mujalefatafozupubukigiwa.pdfIn PDF document text
  • https://x-software.cz/data/file/bosuzin.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/73fd7799ec0369c9d673f05747571dc9/14266610851.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160de1ee201104---mawegobu.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/rugaxadevutasozalawuwax.pdfIn PDF document text
  • https://aquatrustfina.com/userfiles/file/80595552854.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6f9393d84---14917124735.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a08d69c5a93---43137132795.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/ocrkemfpiqtj4fpnljepgu29f5/86739375372.pdfIn PDF document text
  • https://manualismedicina.hu/fileok/file/3198769638.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9dd837180f---vojanibamisezije.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/80a2952d74128fda0605344e6e8ab45d/60363274873.pdfIn PDF document text
  • http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d606793adc---bijevizefarofez.pdfIn PDF document text
  • http://leasingtowers.com/ckfinder/userfiles/files/pebunawetazuzevenuzexe.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a439d4d0a24---67067321241.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=united+nations+charter+1945+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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