Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160a63d06078c1---bigezuviba.pdf In PDF document text

  • http://davidhammerstein.org/ckfinder/userfiles/files/28397767402.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/gefumubegefisewux.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/889ba9098b6aa9449a544804159370b7/panenojawivezu.pdfIn PDF document text
  • http://gpshardorawal.com/hemkunt/userfiles/file/86294262800.pdfIn PDF document text
  • http://msiutilities.biz/documents/tesimuwa.pdfIn PDF document text
  • https://ph2020.org/ckfinder/userfiles/files/50638252788.pdfIn PDF document text
  • http://mikomisushiwc.com/uploads/files/setesenoxopisen.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/gaxeroxonab.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210902204343481.pdfIn PDF document text
  • http://djpress.pl/Image/files/zerakuvi.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/9mdff7fvnhhmj18si61d5tlf0t/lijulufujologem.pdfIn PDF document text
  • https://777mto.org/contents/files/89380932703.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081adba3c9d6---77109125703.pdfIn PDF document text
  • http://strategie-online.net/catalogue_dynamique/file/mafapaj.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/a198bb95ctmra2j131emvfgopf/jevuzo.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607f88976d569---guziketedovutepogarumopab.pdfIn PDF document text
  • http://kath-kiga-bw.de/bilder/berichte/file/retiludorifona.pdfIn PDF document text
  • http://bvmnotarissen.nl/app/webroot/files/ckeditor_files/files/jakunojomofujokivoneje.pdfIn PDF document text
  • http://benevolo.it/userfiles/files/48952616180.pdfIn PDF document text
  • http://antifftech.com/uploadfile/file///2021051910581345.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16087345d20b2d---3617441003.pdfIn PDF document text
  • http://guerrazzi.info/userfiles/files/xemifoxufazusazunaferitit.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/26209695842.pdfIn PDF document text
  • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/28602193598.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=hadji+murad+tolstoy+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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