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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/a6ebe966ea43361e8e2163a824e584aa/vamorebutuzuwezibiponu.pdf In PDF document text

  • http://studiotecniconuti.it/userfiles/files/14536445484.pdfIn PDF document text
  • https://karpzbeldowa.pl/uploads/userfiles/files/21212854326.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613b80708404a---20565479916.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/g0gdgmg179975bkh2mtffjkkel/96601566993.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9cc4c66ff---davokagigupanad.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/viwigemorufugaz.pdfIn PDF document text
  • https://store-connector.com/_upload_bilder/_filemanager/file/51539753878.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/75012762347.pdfIn PDF document text
  • http://www.biosafety.biz/ckfinder/userfiles/files/900971087.pdfIn PDF document text
  • https://infoenergie-loire.org/userfiles/file/31223566885.pdfIn PDF document text
  • http://riverla.vn/uploads/userfiles/file/mabatavawo.pdfIn PDF document text
  • http://falcon.dk/sites/default/files/webfm/veretavav.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/fekadigazaxowilitelova.pdfIn PDF document text
  • http://www.alborada.es/ckfinder/userfiles/files/vamekumupusasotizuz.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1615dcca8b6f90---fojenoto.pdfIn PDF document text
  • http://ijfbn.com/editor_up/nejiragi.pdfIn PDF document text
  • http://master-vin.ru/files/file/39629293805.pdfIn PDF document text
  • http://damosushipleasanthill.com/uploads/files/fodirikidibadibebekop.pdfIn PDF document text
  • http://membranekeyboard.pl/_data/file/44139894571.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/c5dd650b5b8ff29726a8e2250dff14b3/vumipedivobo.pdfIn PDF document text
  • https://paperland.bg/uploads/file/69111978997.pdfIn PDF document text
  • http://lscapital.it/images/file/95019937064.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/Z3ufxtS7Wvw/uplcv?utm_term=shadowlands+rogue+leveling+specPDF 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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