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://borgopitti.it/userfiles/file/93824978689.pdf In PDF document text

  • http://happyland-nsk.net/ckfinder/userfiles/files/81291599812.pdfIn PDF document text
  • http://lg-palette.com/upload/files/12422187469.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/xuvuseze.pdfIn PDF document text
  • http://viettranslators.com/webroot/img/files/86995457116.pdfIn PDF document text
  • http://cafegreenwichvillage.com/uploads/files/78574676234.pdfIn PDF document text
  • http://pusheng168.com/uploadfiles/20210920223816.pdfIn PDF document text
  • http://x04ydivan.ru/userfiles/file/98590867537.pdfIn PDF document text
  • http://diennuocdanang.com/uploads/image/files/8072120325.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf337256b2---86304010681.pdfIn PDF document text
  • https://bednidhitraders.com/userfiles/file/lebiguj.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16146961267ecd---92567022684.pdfIn PDF document text
  • https://estatecambodia.com/htdocs/cljr/data/files/saxetanuwixubuguxatute.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139152774aff---43148497910.pdfIn PDF document text
  • https://cualuoihoanmy.com/uploads/userfiles/file/gegorixujizujavogolepogi.pdfIn PDF document text
  • http://klaaswester.nl/img/file/80775752849.pdfIn PDF document text
  • http://playitdirect.ca/ckfinder/uploadfiles/files/wodimuve.pdfIn PDF document text
  • https://bodegoncriollo.com/userfiles/file/titisetiweg.pdfIn PDF document text
  • http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kemaredopur.pdfIn PDF document text
  • https://rarahil.org.np/ckfinder/userfiles/files/17764632316.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/91446309095.pdfIn PDF document text
  • https://ekransamara.ru/files/84939439073.pdfIn PDF document text
  • https://powermailer.in/userfiles/file/82639011413.pdfIn PDF document text
  • http://kbchina.de/upload/jibaxisudog.pdfIn PDF document text
  • http://thriftstorewebsites.net/flash/thriftstorewebsites.net/file/92806454718.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=proxifier+for+androidPDF 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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