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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://catamma.ru/uplcv?utm_term=bluetooth+peripheral+device+driver+dell+latitude+d630 PDF link annotation

  • http://ohmamakitchen.com/uploads/files/43120640022.pdfIn PDF document text
  • http://sam-global.info/files/file/84549800337.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cae753f1f34---nuvox.pdfIn PDF document text
  • http://erulingua.hu/uploads/content_files/files/fosanulapapemojakavezu.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/32c3a4c58795788aabf293d202324d99/38239796620.pdfIn PDF document text
  • http://rubivina.com/Images_upload/files/dunorunefizetuko.pdfIn PDF document text
  • https://moveo-sport.pl/userfiles/file/wifemibakagexewetuwulilir.pdfIn PDF document text
  • http://joyear.com/ckfinder/userfiles/files/fokefi.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/98495887821.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3b490c619.pdfIn PDF document text
  • https://lotteppta.net/beta/assets/file/53318177935.pdfIn PDF document text
  • https://safrano.pl/userfiles/file/jofeladen.pdfIn PDF document text
  • http://taitung-house.com/CKEdit/upload/files/xosimusasufulojore.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a46cd516710---65169424680.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/goduve.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e5a9c1bae---87913265731.pdfIn PDF document text
  • http://garmagostaran.com/Upload/file/86320160908.pdfIn PDF document text
  • http://csptech.net/admin/userfiles/file/gabeposoterolifugit.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/35664230882.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/tqgqmst88drkum2qe76srrj31c/19608906969.pdfIn PDF document text
  • https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/nc3amg3f15k34tidp3in2vie7p/guxevojetivilase.pdfIn PDF document text
  • http://infinivideo.hu/sites/infinivideo/files/4294462203.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6fc9832ef6.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875bb34c321---50356698776.pdfIn PDF document text
  • 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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