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://xn--hjrnskadeakademien-mtb.se/userfiles/file/41816696287.pdf In PDF document text

  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072030276923---92519105361.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/82430710675.pdfIn PDF document text
  • http://kancelaria-perfect.pl/app/webroot/media/files/70372511754.pdfIn PDF document text
  • http://intproplaw.com/admin/uploads/file/simabej.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbb5c79edf0.pdfIn PDF document text
  • http://bagliodeimille.it/userfiles/files/gawaxeruweja.pdfIn PDF document text
  • https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/5ae8779ab3270c1616cd23717e46b801/82961374717.pdfIn PDF document text
  • http://xn--d1achljw0b.xn--p1ai/content/upload/62319509589.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/e9bdcee7f729a9fc4e623348fbfe4da3/73377582997.pdfIn PDF document text
  • https://beatmuellerfoto.ch/userfiles/files/46859774031.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd7a7a7bdc---87088516580.pdfIn PDF document text
  • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/17332fd6e73697371a94c52e6dd99379/dikuwexivepaju.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/9aa33e0933f0c6b90540497db82f75cb/vuvuduwokom.pdfIn PDF document text
  • http://autobedrijvenindex.nl/images/uploads/57306144839.pdfIn PDF document text
  • http://be-now.pl/userfiles/file/91459686758.pdfIn PDF document text
  • https://stonebuild.bg/f/uploads/files/692507419.pdfIn PDF document text
  • https://fiscalonline.ro/app/webroot/files/userfiles/files/10672019299.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/remogadimoma.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16093b4867ef57---vazig.pdfIn PDF document text
  • http://dj-maily.com/uploads/pages/files/86944012448.pdfIn PDF document text
  • https://marwaautorepair.com/nbloom/fckuploads/file/18190347445.pdfIn PDF document text
  • https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/2f104c3f58c727b4a87566787fffafc8/xopefufe.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/cdehigr2h8f67e2lip09v32ha7/22658815594.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=addition+subtraction+worksheets+2nd+gradePDF link annotation
  • https://grupo.iberia.com/js/ckfinder/userfiles/files/lanezazetudamusafu.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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