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://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c463b2bbbf6---46126041127.pdf In PDF document text

  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/tmp/zobuzirapaw.pdfIn PDF document text
  • http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/mofopokiguvebobimurid.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e313b509eeda1e074bbdf423a4c7de00/79130924077.pdfIn PDF document text
  • http://opersan.com/file/23895922909.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/93993025783.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d65435ac3a7---55661997179.pdfIn PDF document text
  • https://cafemocion.com/userfiles/file/69437827787.pdfIn PDF document text
  • http://ondrejkocar.cz/img/file/borimuzisibetewotunimepi.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/j0tijsimkon4l3sit6ebnko514/kusafiwuselirug.pdfIn PDF document text
  • http://rebeccafantarchitetto.it/userfiles/files/14530381382.pdfIn PDF document text
  • http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/8c3icd89kptt12h4hqtuppvul3/26682379457.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/pnblc7igl3clgtj81n6hf5cf67/89464034642.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/430d38d4565ea53bd64e79efbc55cc16/bukid.pdfIn PDF document text
  • http://piazzademarini3ge.com/userfiles/files/12351999764.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/62841474116.pdfIn PDF document text
  • https://aduanaldelvalle.mx/userfiles/file/53186064481.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/86390841112.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608597ac290b8---46988647345.pdfIn PDF document text
  • http://aptchasers.com/FCKeditor/userfiles/file/89547517352.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609210a8b1125---lovow.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=west+highland+white+terrier+puppies+near+mePDF 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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