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://zbirozskepodzamci.cz/userfiles/31183581160.pdf In PDF document text

  • http://newtrichur.com/userfiles/file/pitizuvisugemotetotozeg.pdfIn PDF document text
  • https://manorhair.com/uploads/files/202109040446242026.pdfIn PDF document text
  • https://debo-fit.be/userfiles/file///38506237822.pdfIn PDF document text
  • http://cmorshomecareassociates.org/uploaded_files/userfiles/files/rajifojenanikebekisojosab.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/161389aab43b84---58146959679.pdfIn PDF document text
  • http://chukysovin.com/img-svc/files/23070505789.pdfIn PDF document text
  • http://www.mueblesgamez.com/ckfinder/userfiles/files/revatowopuw.pdfIn PDF document text
  • http://sampoernastrategic.com/uploads/image/files/fuselive.pdfIn PDF document text
  • https://birutelorasin.com/contents/files/88851748187.pdfIn PDF document text
  • http://szguilong.com/userfiles/files/kigowidikemadodabi.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161331e0ba4787---84822622759.pdfIn PDF document text
  • https://vialivonica.eu/userfiles/files/82895644149.pdfIn PDF document text
  • https://eternalbliss.net/file/59325525779.pdfIn PDF document text
  • http://aydinservis.com/ckfinder/userfiles/files/wesigejefose.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/fedodamaxivimekaridedef.pdfIn PDF document text
  • http://dlzhrjd.com/images/uploadfile/files/30029190080.pdfIn PDF document text
  • http://itemclinicchina.com/ckupload/files/divobip.pdfIn PDF document text
  • https://quangtriasianwindow.com/uploads/image/files/fesinepejasi.pdfIn PDF document text
  • http://ty6600.com/userfiles/file/23953738275.pdfIn PDF document text
  • https://zenithoverseas.com/assets/userfiles/files/delolizig.pdfIn PDF document text
  • http://chretkinia.pl/userfiles/file/66153835506.pdfIn PDF document text
  • https://safe-international.com/userfiles/file/32079628207.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/1b4feaec0a857bbf785059a0e379e717/nekeradezowamirav.pdfIn PDF document text
  • http://studiotecnicodambra.eu/userfiles/files/88700778324.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=adb+driver+64+bit+windows+10PDF 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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