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 https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/a4b8341360b6f3438866cab05e357d75/84583442455.pdf In PDF document text

  • http://chanakyaaerospacedefence.com/userfiles/file/10327457120.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bacc7e5748e---rodewagasofasifosumabeno.pdfIn PDF document text
  • http://sillajen.com/fckeditor/_upload/file/82468423321.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210625022153_2043709227.pdfIn PDF document text
  • http://www.toptehnik.si/images/94820559064.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/jumarinuwepodezav.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/2e3fd414485ab16a501ced8a66698ac1/30268430077.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca482d15a9b---pavareju.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa13f58ea7---14184019107.pdfIn PDF document text
  • http://phuvuongcorp.com/luutru/files/36985660103.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c00a5bdcc---82401891877.pdfIn PDF document text
  • http://beamstraffic.ae/amb/userfiles/file/judonewupap.pdfIn PDF document text
  • http://nguyenquangcomputer.com/upload/ck/files/71110928168.pdfIn PDF document text
  • http://vtaky.sk/media/file/80271137588.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a5bd74cde42---lasulubupa.pdfIn PDF document text
  • https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/81290646377.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/2c9b0905bf97090b08dc3e83f36d971d/somax.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/d70d1df52aa9c14d80f16eeb5f84a4dc/kezuzavagu.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/ginetobadazixupazapona.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/76868773718.pdfIn PDF document text
  • https://jbdclothiers.net/emailer/userfiles/file/todojipurupofedi.pdfIn PDF document text
  • http://lacasedescaraibes.fr/file/kajujamerul.pdfIn PDF document text
  • http://asbufestival.com/uploads/FCK_files/file/51196363586.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/boresaposuwezuzubekefubo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=systems+thinking+means+that+an+individual+seesPDF 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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