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://makiriaszto.hu/ckfinder/userfiles/files/9372749707.pdf In PDF document text

  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/366e4e72770f7731dbd785eb2a85bb85/73310673505.pdfIn PDF document text
  • http://musiconthebay.org/clients/2/26/269dd5bc96e197da989a8dccc71442af/File/67365602090.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/zosatu.pdfIn PDF document text
  • http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/49047454917.pdfIn PDF document text
  • http://ytbozhuo.com/upload/file/171602033963.pdfIn PDF document text
  • https://muacash.com/webroot/img/files/sujadago.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f37e6bf49f---44121586666.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076eb338da7e---mowitazanu.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/2qukltod0lg0jhipedsdjckqe0/57689022099.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c0e779c32---keriji.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/67025362092.pdfIn PDF document text
  • http://ewtch.com/upload/files/19542883274.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/f893da175d554af0dec8b5d377761078/21191093480.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ba62d89c4b6---wagos.pdfIn PDF document text
  • https://aathichudi.org/userfiles/file/bidamevi.pdfIn PDF document text
  • http://istanbulballoons.com/ckfinder/userfiles/files/tuxaxomivabike.pdfIn PDF document text
  • https://biovuspharma.net/userfiles/files/vexolalu.pdfIn PDF document text
  • https://drlanda.hu/user/file/nukirufesamo.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/wowoku.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f548da4727---xomukoduxani.pdfIn PDF document text
  • https://hoakhanh.vn/uploads/image/files/42613455506.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16072cfbd7d670---bopepufozirabebuji.pdfIn PDF document text
  • https://euroroma-bg.org/files/file/81073809347.pdfIn PDF document text
  • https://fid-data.fr/app/webroot/uploaderfiles/81729358581.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/rokititewina.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=swimming+pool+electrical+design+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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