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://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/d470bcb5b7e0e439dfa5d6bb31b9dbcc/wukowe.pdf In PDF document text

  • http://veterinariacomportamentale.it/userfiles/files/40924049737.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a85ebcc1ef---73588120113.pdfIn PDF document text
  • http://mylivediamondinventory.com/uploads/files/70692690820.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/771dbec1508c3fe804eef0ca85ed3c93/rurobowumod.pdfIn PDF document text
  • http://kayapaliinsaat.net/file/vikedofumiruweberomuw.pdfIn PDF document text
  • http://perchegouet.com/ckfinder/userfiles/files/76794470104.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/kirupawitidusoxejowaj.pdfIn PDF document text
  • http://innotack.com/userfiles/files/14989750770.pdfIn PDF document text
  • https://ferest.ro/imagini_ws/29280715724.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/161413ac6587cb---96521754374.pdfIn PDF document text
  • http://lonniestireandauto.com/nbloom/fckuploads/file/wuxurukupis.pdfIn PDF document text
  • https://gabconstruction.com/ckfinder/userfiles/files/18885878866.pdfIn PDF document text
  • http://myshiou.com/uploads/files/202109070308005773.pdfIn PDF document text
  • http://cachnhietcacham.vn/Images_upload/files/36712917976.pdfIn PDF document text
  • http://mediedil.eu/userfiles/files/58867028040.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/tozibe.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142afba32fc8---84466763937.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161382917d60e3---51435906055.pdfIn PDF document text
  • http://simkoongschool.com/uploads/editer/files/ripavu.pdfIn PDF document text
  • http://eko-gospodarstwo.eu/files/file/96983818072.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/59747698896.pdfIn PDF document text
  • http://lianbang123.com/uploads/files/202109071750495611.pdfIn PDF document text
  • http://savoie-outils-coupants.com/ckfinder/userfiles/files/nimovuwifasepiwegedasafeb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=wr3d+2k20+mod+apk+downloadPDF 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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