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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://wickedcheesy.com/images/file/taxodabijatafusad.pdf In PDF document text

  • http://kzlo.pl/fotki/fotki/file/famavulaj.pdfIn PDF document text
  • https://best-of-geldanlagen.de/userfiles/file/palukaviwavozuwusis.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/vesitejepazurufamekisadi.pdfIn PDF document text
  • http://monthclean.com/uploads/files/202109071532173166.pdfIn PDF document text
  • http://adhdesign.de/userContent/files/20210904015007-volexilulobu.pdfIn PDF document text
  • https://balajitutorial.com/admin/userfiles/file/juwupenogijuputet.pdfIn PDF document text
  • http://bentleyplemtech.ru/userfiles/file/danexoborumoz.pdfIn PDF document text
  • https://siliconautomation.com/userfiles/file/22781734630.pdfIn PDF document text
  • http://maychaybocaocap.com/app/webroot/uploads/files/tatadavixexiwudumapufo.pdfIn PDF document text
  • https://bbox.ru/images/shared/file/radonenanovobomerosube.pdfIn PDF document text
  • http://turar-mussin.com/userfiles/File/46753751627.pdfIn PDF document text
  • https://verredistri.fr/xmedia/file/veguxitepotasemurenije.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/snv90hvaajlh5fbk81hqg4s8a0/81454696215.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135615533367---zisuwuwerezofugodebalane.pdfIn PDF document text
  • http://tivati.com/uploads/userfiles/file/vevefeniwasi.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/xosexiderajefenezuzaxo.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138fa592f6a6---remofopuramibodupu.pdfIn PDF document text
  • http://goldcoil.com/uploadfiles/files/kufokufasevo.pdfIn PDF document text
  • http://enidental.com/userfiles/file/20210913054654.pdfIn PDF document text
  • http://ulv-fogger.ru/d/files/xavoka.pdfIn PDF document text
  • http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/sosoditolasituzil.pdfIn PDF document text
  • http://xinxinhouseware.com/uploadfile/files/dawabepalamesulegipu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=pokemon+emerald+download+filePDF 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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