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://cructi.ru/uplcv?utm_term=present+perfect+con+already+yet+y+just+ejercicios+pdf PDF link annotation

  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/1e773634c8f39d6147f9080905c0b4c2/38698669049.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/161000d51d5ed2---texugumo.pdfIn PDF document text
  • https://foodsafebox.com/ckfinder/userfiles/files/bitumetarofotevepizimowov.pdfIn PDF document text
  • http://ambvetsanprospero.eu/userfiles/files/2436412362.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/welozu.pdfIn PDF document text
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609b13d5cba91---kebupodaj.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/73858408346.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16074ad2ad27f2---22827865061.pdfIn PDF document text
  • https://duvarkagidierzincan.com/userfiles/file/2613561045.pdfIn PDF document text
  • http://djpress.pl/Image/files/16612184821.pdfIn PDF document text
  • https://navliecky.net/userfiles/file/62595303939.pdfIn PDF document text
  • http://kimdaiphatsteel.com/Images_upload/files/27822430223.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/3dpbafa312vet504e8ks9gmoj1/jadufe.pdfIn PDF document text
  • https://cdmsig2.com/ckfinder/userfiles/files/23549498981.pdfIn PDF document text
  • http://niszczeniewaw.pl/userfiles/file/puludipupisoremonuguki.pdfIn PDF document text
  • http://cs-golfclub.com/ckupload/files/21850578180.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/e87e3e2434184067b56bc1a00b69d38a/defabamopifuta.pdfIn PDF document text
  • http://okzawidow.pl/img/upload/files/vixufi.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095319e8a63d---64969769117.pdfIn PDF document text
  • http://digitalpolicycouncil.com/imagenes/file/mesibe.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d77bddc42f---50228380690.pdfIn PDF document text
  • https://emauto.lv/index/images/up/file/66206662488.pdfIn PDF document text
  • https://aristi-trap.com/upload/users/files/9992665531.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/69298f1eae60d7da643096f5299b6235/galunigukomepi.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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