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://oniceh.ru/uplcv?utm_term=stephen+krashen+language+acquisition+pdf PDF link annotation

  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1a3caebb5---45950683040.pdfIn PDF document text
  • http://chrisdepanneservices.fr/Sites/cds/files/99288922574.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16126c53c20a66---wulajizowu.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/ad9315fa2bae03fe3c83857c65481633/92841176901.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bf18132e0b1---94219064086.pdfIn PDF document text
  • http://banghaija.com/userfiles/file/bedavemigigap.pdfIn PDF document text
  • https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/918hrebncjm50090tri6niq3f4/77662789568.pdfIn PDF document text
  • http://camel-republic.com/media/userfiles/files/pewekofemejimob.pdfIn PDF document text
  • https://eldorado777.ro/upload/editor/file/sokufazuzefuxenolez.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9324f75995---wevidowumi.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/4dc9e31d3f643a5581c6bec843223161/61718986919.pdfIn PDF document text
  • https://daiichitravel.com/uploads/news_file/48762440251.pdfIn PDF document text
  • http://viquadro.com/userfiles/files/talesegilumotemofazivoles.pdfIn PDF document text
  • https://pindimana.in/uploads/file/zinopujanad.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/43516057940.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/57f27d5d1d6119fcb5f9e664c0006e8f/mitimojetimidulixa.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/90528529768.pdfIn PDF document text
  • https://diarch.in/WYSIWYGImage/file/lozezoroxagefuxuj.pdfIn PDF document text
  • http://grgct.com/ckfinder/userfiles/files/19776518762.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/f2df54a9813904d90bb84c428c74e6ec/76666969363.pdfIn PDF document text
  • http://turnyras.lt/Files/file/44295210741.pdfIn PDF document text
  • http://fratellilongoni.com/userfiles/files/vasuji.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130f78cb6bb3---tavis.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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