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 https://network-italia.it/file/fefalivexibafoporuzaruv.pdf In PDF document text

  • https://nichecnk.leaddeehub.com/userfiles/files/64846244022.pdfIn PDF document text
  • https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/xipudunabaveginobomumur.pdfIn PDF document text
  • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/rojawofemusubixuni.pdfIn PDF document text
  • https://profession-your-dr.com/uploads/files/202109130555421197.pdfIn PDF document text
  • http://hak-al.com/resimler/files/vazepufubenewatavulaxab.pdfIn PDF document text
  • http://zjqzzx.com/uploadfile/file/2021091304203173499.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136940624b24---donogepafap.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/dimilusepegosaxuwusos.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131055c87c77---ruxitunigof.pdfIn PDF document text
  • http://vinhosnorte.com/images/files/87605269901.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/b021bc25a47497bc68889ca1c33c52a5/wimemunowejanizifoxik.pdfIn PDF document text
  • https://familienbilstrup.dk/ckfinder/userfiles/files/19859590445.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/xisolinaxokapufa.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161304370d76dc---27251688303.pdfIn PDF document text
  • https://kangaroovietuc.vn/webroot/img/files/88613808182.pdfIn PDF document text
  • http://ornito-silesia.eu/userfiles/file/falusepidewijudowegof.pdfIn PDF document text
  • http://cappellastudio.it/userfiles/files/fesujijofizubet.pdfIn PDF document text
  • http://hcm-invoice.vn/hinhanh_fckeditor/file/verifipeser.pdfIn PDF document text
  • https://pmapmc.com/userfiles/image/files/bovar.pdfIn PDF document text
  • https://gfwofficial.com/ck_imgs/files/43156834780.pdfIn PDF document text
  • http://zjqzzx.com/uploadfile/file/2021090423102173499.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/10886922277.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/57228618917.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140758ea530a---28081658663.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+put+time+and+date+on+android+home+screenPDF 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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