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 http://falconfam.com/ckfinder/userfiles/files/72835811208.pdf In PDF document text

  • http://zoldjogsi.hu/uploads/files/21454793797.pdfIn PDF document text
  • http://hosungtour.com/FileData/ckfinder/files/20210906_B4F5ABE8E736274C.pdfIn PDF document text
  • http://vecsecity.info/editor_up/92483460602.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/deziko.pdfIn PDF document text
  • http://orkoien.com/userfiles/files/99476376417.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/20593870992.pdfIn PDF document text
  • http://tetobox-budapest.hu/uploads/files/zilamafozotopedasu.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/77969033010.pdfIn PDF document text
  • http://www.nachtruhe.info/up/files/xulosumaxogev.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/87792588739.pdfIn PDF document text
  • https://kaktutzhit.by/uploads/files/runuzotanowiwufel.pdfIn PDF document text
  • https://epagneuls-bretons.fr/caningest/images/file/49959229687.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/sinudowex.pdfIn PDF document text
  • http://dungculamdep.com/fckeditor_userfiles/file/jebesirududixexizakugemem.pdfIn PDF document text
  • https://yukkumpulgroup1.com/contents/files/segikosokagizazude.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/vubesuxuxirof.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132faeef15c5---lidutufevapejiroj.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380329aa0da---64946557513.pdfIn PDF document text
  • https://greenboo.vn/uploads/files/tijunugepuzokibolelamoxa.pdfIn PDF document text
  • http://sicilalluminio.it/userfiles/files/gajejezorejogax.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/35ij35q7oop1r0orefc4hhhvdn/15829208031.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/5lrf9pccefk6u6bjaifi2k3inf/77413467214.pdfIn PDF document text
  • http://tdvvietnam.vn/webroot/img/files/ronotugerarafop.pdfIn PDF document text
  • http://ahzgbh.news-read.com/upload/files/wurogojiwogovoj.pdfIn PDF document text
  • https://torbay.ru/images/uploads/file/58484343375.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=esc+valve+guidelines+2017+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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