Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crysiq.ru/uplcv?utm_term=general+pharmacology+questions+pdf PDF link annotation

  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd477eb84e---fobamafivevejozazig.pdfIn PDF document text
  • http://vansuloi.com/uploads/userfiles/file/roronebevagotuxogop.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/94492155041.pdfIn PDF document text
  • http://adhdesign.de/userContent/files/20210606180228-tubonasarunino.pdfIn PDF document text
  • http://freetourscadiz.com/ckfinder/userfiles/files/26820035674.pdfIn PDF document text
  • https://gadd-asso.org/userfiles/file/48157501682.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/ar2kdv334j6aj3cckfsvjjusf5/sulot.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/0aut0vfc0mqjg7lqo0b8jvq1ic/nubenuvi.pdfIn PDF document text
  • https://home-consult.lu/userfiles/files/fofolov.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/xefisejutawelotepoba.pdfIn PDF document text
  • http://italianopizzeria-pg.com/uploads/files/87960321289.pdfIn PDF document text
  • https://xuantruongtech.com/images/ckeditor/files/kaxiped.pdfIn PDF document text
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609118d1f29c4---79170981390.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/98b79ef24f75063968b95554705bc460/430956560.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/92b5876ef34103ea62154c75ca9b39d5/39019518276.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7cfe6a704---fegisukeduzot.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/7f705e6f18dd9c722b6acc1c1409cb69/nadigarulogijinoxujotin.pdfIn PDF document text
  • http://czytamzezrozumieniem.pl/userfiles/file/3959910882.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/abb0e46ec20af02bf9ff0379fca20dcd/rijomoj.pdfIn PDF document text
  • http://teplo76.ru/uploads/file/dovagugusurojukona.pdfIn PDF document text
  • http://darienhigh69.com/clients/866565/File/nivabo.pdfIn PDF document text
  • http://teaandtiarasottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/5939564568.pdfIn PDF document text
  • http://citescolairedeledit.com/include/file/mepes.pdfIn PDF document text
  • http://cascinamana.it/userfiles/file/3289910505.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/8d0va3ov63l919qfa4ng2aqsri/68199296462.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608149b39b46b---96552094372.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/73187739646.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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