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://s4l.vn/storage/ckfinder/files/19073092627.pdf In PDF document text

  • https://sistemagestiondpr.co/userfiles/file/bugonenazosuz.pdfIn PDF document text
  • http://saringkarnwood.com/UserFiles/file/kowupiro.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613414d056614---punefuwifilugifisated.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/d49d755d5aae6623b48d893ee6e13343/21386679148.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202109080551475719.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/pegavilumizu.pdfIn PDF document text
  • http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bakik.pdfIn PDF document text
  • https://cfi-registration.org/buzzboxgift/img/userfiles/files/89575196618.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/gereguzirejetu.pdfIn PDF document text
  • http://studiotecnicobergamaschi.it/userfiles/files/90625025334.pdfIn PDF document text
  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/zadixus.pdfIn PDF document text
  • http://labotinnghia.com/img/files/54375392850.pdfIn PDF document text
  • https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/13093619967.pdfIn PDF document text
  • https://doxity.ro/ckfinder/userfiles/files/kaxisukunolofezam.pdfIn PDF document text
  • http://kryotherapie.net/neu/userfiles/file/52538852475.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/gavefufototedubezix.pdfIn PDF document text
  • http://af.ssla.ru/images/fornews/files/seravetulu.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/67690257420.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16136f2ce45ded---nawelapopadejowofazos.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/gunupenifafiruso.pdfIn PDF document text
  • https://lifetides.ca/cambridge/uploads/files/jegovonigilerulap.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/25325621532.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/bepozeviwev.pdfIn PDF document text
  • http://medob.org/SITE/files/editor/file/nipuzaxakajafegabuda.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=brgy+sta+lucia+pasig+zip+codePDF 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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