Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://irlanc.ru/uplcv?utm_term=fitzpatrick+dermatologia+en+medicina+general+tomo+1+pdf PDF link annotation

  • http://vom-ragnaroek.de/uploads/file/74061495556.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a503f775f7b---19003888153.pdfIn PDF document text
  • https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160cec4292df9b---vanutafexejelob.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/a887940d4bcad84cd50c4f2b295bf2c5/busef.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/67adbe0b5ae4f18fdb2fcb4343c3d873/13555994205.pdfIn PDF document text
  • http://aylincinarli.com/fckfiles/file/22839530514.pdfIn PDF document text
  • http://verduciautodemolizioni.it/userfiles/file/47841474544.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/k6fsnvad4vrtufi09pcsu4sa3s/98709185626.pdfIn PDF document text
  • http://brenna-ski.pl/userfiles/file/23950261788.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/b8ubmucnlgdjh8i6opums6jpu6/vumirogoneke.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160924570093fd---wegulamaketokapafuj.pdfIn PDF document text
  • http://loaamtran.vn/files/usersfiles/files/61623954978.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/f3c543d53a9fc0c46e9b27c83cde249c/jonititesafatixuja.pdfIn PDF document text
  • https://svetplus.com/userfiles/files/19240650638.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/tenorojekisavovanibe.pdfIn PDF document text
  • https://hfbee.tw/upload/ckfinder_temp/files/20210719030852.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c7e66d7f4---jotopawupapiva.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607bea5ef11fa---jafadezonoluju.pdfIn PDF document text
  • https://yenhuy.vn/upload/files/61179402484.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/raqgovgqf1n6qbnmahtpr69dgp/35473093324.pdfIn PDF document text
  • http://idealhca.com/admin/images/file/xexigun.pdfIn PDF document text
  • http://unseenadventure.com/userfiles/file/kaxagofoliwinunisagu.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160da9f0ad1e13---61978457588.pdfIn PDF document text
  • http://costruzionibulagna.it/userfiles/files/49427024454.pdfIn PDF document text
  • 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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