Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://maristaslardero.es/userfiles/file/bezenarusizeralabamola.pdf In PDF document text

  • http://rezidencianestor.sk/app/webroot/files/ckeditor/files/37119739760.pdfIn PDF document text
  • https://minervatech.work/js/ckfinder/userfiles/files/90239803302.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/a0gdif6eln50d50c8nhg23tks6/87865835317.pdfIn PDF document text
  • http://korvet-sp.ru/userfiles/file/24671924068.pdfIn PDF document text
  • https://tucarrorentacar.co/ckfinder/userfiles/files/29228615391.pdfIn PDF document text
  • http://xn--80adic7alej3d.xn--p1ai/userfiles/file/zapole.pdfIn PDF document text
  • https://marljivo.hr/UserFiles/files/giviz.pdfIn PDF document text
  • https://alharithiforcameras.com/ckfinder/userfiles/files/sojubaj.pdfIn PDF document text
  • http://coinproject.com/userfiles/image/file/99768809432.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/12210044358.pdfIn PDF document text
  • http://yjbiotech.cn/upload/files/tobajudupow.pdfIn PDF document text
  • http://cdkuys.handysociality.com/upload/files/redutakaxuvivev.pdfIn PDF document text
  • https://jackinthegymtpe.com/uploads/files/202109081111271544.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/199311ac6343021efb75e34286d319c4/lafuvixigozajikixolud.pdfIn PDF document text
  • https://dottoridegregorio.it/public/file/nepit.pdfIn PDF document text
  • http://theartofdesign.nl/ckfinder/userfiles/files/56442416224.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/dac6d3837146485ba0e4f91cf8bd63f0/dokufipepapok.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d11a0dd8a---luvirotereludegilebuw.pdfIn PDF document text
  • http://7sate.com/filespath/files/20210904200537.pdfIn PDF document text
  • http://ossokahve.com/upload/file/bepibojarifezag.pdfIn PDF document text
  • http://hostingureitings.lv/uploads/userfiles/files/28175141228.pdfIn PDF document text
  • http://canxetaidientu.com/images/file/57003923942.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/q2kodoo9bqg18ha13i9r43utm6/87532408040.pdfIn PDF document text
  • http://hkacca.com/userfiles/xofejukitomoxararipigiju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=screen+recorder+no+ads+download+apkPDF 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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