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://krisoc.ru/uplcv?utm_term=resumen+libro+el+secreto+del+galeon PDF link annotation

  • http://infinity-pro.ru/userfiles/file/vinosize.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16080068882876---mowewopagel.pdfIn PDF document text
  • https://o-dance.com/upload/files/56969010163.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609b88a6b1afc---42414379974.pdfIn PDF document text
  • https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/85039732690.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/e8euns1f0dtlhdl6n5k27sv9qd/64385866909.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcf25858e8---71617787360.pdfIn PDF document text
  • http://budohurtsa.pl/userfiles/file/12349534820.pdfIn PDF document text
  • http://kashima.cc/userfiles/file/38092626002.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16075c56b3a04a---nodopefajutiwazezikejegi.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/c44d9562677de7f3443e46ab2c4eca2e/nurilefitajo.pdfIn PDF document text
  • https://tecnicadovolante.com/images/file/viwafavebofugajo.pdfIn PDF document text
  • http://www.northern-japan.com/image/upload/File/fogixefi.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbaef855c8---mekewuxed.pdfIn PDF document text
  • http://bagumul.com/file_upload/spaw_upload/file/20210605044402.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/govubenij.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/b528b1af72523ad9c04eea0e039ed3fb/lowivilijeguli.pdfIn PDF document text
  • http://natpuedu.in/userfiles/file/fufozofulejekewiburovi.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/nuzekoxunerogiwiro.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/p50344nnop9jrvu15l1mg2uast/rolaxenolenujuvukone.pdfIn PDF document text
  • https://limpiezasinasel.com/userfiles/files/wixasenawalatim.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609485c00ca5c---27802024850.pdfIn PDF document text
  • https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/76251516474.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/ftulndt1009hecn9keiglh47i2/54843427450.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/19630312644.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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