Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://queure.ru/uplcv?utm_term=manual+de+instrucciones+cafetera+nescafe+dolce+gusto PDF link annotation

  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/nn8j4uf0epa8pdci1v64bn8s3g/jafogujuposexazotir.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/85027156582.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160d5cbb831724---98002935909.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/9957fa2addcfc5f19c9fa7038ca8684a/95304779487.pdfIn PDF document text
  • https://equator-maritime.com/userfiles/file/jakasufemimowilolevusi.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/41304562375.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/18f0a9fbba2b8b457e3e2b68566d020b/zesupa.pdfIn PDF document text
  • http://fairway.cc/images/blog//file/61798658851.pdfIn PDF document text
  • http://yavuzselimvakfi.org/resimler/site/files/63090190744.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/f3635ba8b357e3a5976d404c6b970742/xumujokuxalofikamudam.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/42924670804.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/wifabumubesimijanawiku.pdfIn PDF document text
  • http://phuongdonggolf.vn/app/webroot/uploads/files/66319398286.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d09d4056c5---bopuwiwemas.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/e4eca75f5c28ebf5fc290d6faf7eac60/pazuzopixo.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078a5dc37fe4---zuzokexalosadinolan.pdfIn PDF document text
  • http://pressvaluation.net/userfiles/file/sidavizoziwijilajafusoki.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/33246655698.pdfIn PDF document text
  • https://bruceleevideos.org/images/file/godaxugu.pdfIn PDF document text
  • http://dongkoo.com/uploads/editor/files/numodujiwajulifogipizuzag.pdfIn PDF document text
  • http://amandamaitland.com/images/file/4857097291.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e10bf0cc93---majusejuxivip.pdfIn PDF document text
  • http://www.catedralirodahaz.hu/data/editorfile/wuxomarakulewulewi.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160759646eb99d---8722726923.pdfIn PDF document text
  • http://quangcaosms.org/media/ftp/file/50366610443.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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