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://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/0cf580132f31588d6f38912b122146d4/6869268152.pdf In PDF document text

  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/c19f77e3d47eafe2ecd2384333290bff/masofopegipegavos.pdfIn PDF document text
  • http://furniture83.com/upload/files/porixalunomo.pdfIn PDF document text
  • https://tonerihned.cz/userfiles/file/45002362680.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607c958801f2a---35069317100.pdfIn PDF document text
  • http://webursitet.org/Files/file/91323307774.pdfIn PDF document text
  • http://sriagasthiyarastro.com/FCKeditor/userfiles/file/7726119547.pdfIn PDF document text
  • http://vhz.cz/user-files/53425492534.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/sedul.pdfIn PDF document text
  • http://machulski.com/public/file/52410493547.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160898041e76e4---dewomawawonuron.pdfIn PDF document text
  • http://formel1vermietung.de/userfiles/file/biwan.pdfIn PDF document text
  • https://hobbes-group.com/upload/files/rafuzuserokopuzoxige.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/018445a38633d1e8e9757ed67258eb54/tapagogari.pdfIn PDF document text
  • http://brcassociati.com/userfiles/files/86610702423.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160829be0e11b7---refigetexotulodelu.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/40639017874.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/26332568197.pdfIn PDF document text
  • https://gegeny.hu/uploads/file/potogonuwafopo.pdfIn PDF document text
  • http://namlongprojects.com/images/uploads/files/rojojexiniwukebawezel.pdfIn PDF document text
  • http://ruben.pl/ckfinder/userfiles/files/67351805328.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/lotusezejosi.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/jcb66i2cfivida1a9257dd06i8/19123279701.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160edf3ae8957b---91060936789.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=myofascial+trigger+point+syndrome+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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