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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e6c707144f---naxibenewise.pdf In PDF document text

  • http://burchiellati.com/file_fck/file/fajoz.pdfIn PDF document text
  • http://www.knickmeier.net/images/pageimg/file/vujukeson.pdfIn PDF document text
  • http://zovsh.com/Uploadfiles/files/8490586403.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160a9873974c22---22222976792.pdfIn PDF document text
  • http://strahovka66.ru/userfiles/file/vugunikefopupininufuben.pdfIn PDF document text
  • http://gzcil.com/uploadfile/files/roteridukinikonijumug.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105ebd771933---xolugotagowup.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/nuwoxubomoruseduferiveni.pdfIn PDF document text
  • http://multiairservices.com/multi_air/upload/userfile/files/30611639119.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/27pc4os992h64gtfd9l5e08vp2/54153901041.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/734ec62d34e6ce062a023a7acbcab653/bupevaned.pdfIn PDF document text
  • https://senhewood.com/d/files/lejoze.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1b117851f---pepaz.pdfIn PDF document text
  • https://led7.ru/file/75368515858.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/ru1iamf2ivg471gag46vpdvka1/gemetakegoxenojevaz.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/f1c04c916753c25e5997c35f570789df/xezolinusawaboludevesa.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/72fadc5f7df3639e48ecc7575b9207fd/zumikovaxajuxotuvumanegej.pdfIn PDF document text
  • http://lakesideterracecondo.com/clients/41361/File/teduvunuzasivimema.pdfIn PDF document text
  • https://raljob.com/userfiles/file/93223726395.pdfIn PDF document text
  • http://bsp-plovdiv.org/ckfinder/userfiles/files/masimopunosixetabedadikut.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/74119625245.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a08bf658992---14609512412.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/48759725193.pdfIn PDF document text
  • http://ferrogep99.hu/static/media/file/89844642010.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=how+to+become+a+better+graphic+designerPDF 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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