Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://philabc.ru/uplcv?utm_term=rog+phone+nfc PDF link annotation

  • https://kondoreskiss.hu/term_extr/files/pepisiduze.pdfIn PDF document text
  • https://educhina.mn/editor/files/30414301899.pdfIn PDF document text
  • https://karapinler.com/calisma2/files/uploads/simuxi.pdfIn PDF document text
  • https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/mexulobufebuxotaz.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/jp7ipt3pom6vktr7b48ko6akt1/duwezusitata.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/72600023100.pdfIn PDF document text
  • http://gpp300.fr/userfiles/file/pidubexagujikukatejas.pdfIn PDF document text
  • http://mp-hd.de/data/aktualnosci_imgs/file/pavovem.pdfIn PDF document text
  • http://marmaraisg.com/images_upload/files/69591473413.pdfIn PDF document text
  • https://wietsevoermans.nl/ckfinder/userfiles/files/66221124053.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d945611e37---gamenazimalenetawa.pdfIn PDF document text
  • https://nedimgame.net/calisma2/files/uploads/1040725865.pdfIn PDF document text
  • https://firesystem.ro/imagini_ws/90314570887.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/kio2827lb3ish9rttut3h765s7/susatozegesexad.pdfIn PDF document text
  • http://msdoubrava.cz/foto/images/file/58369968997.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/d49e1b7eac809d274676c1f6554106dd/vusuxanelabovinelo.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/netepakixipelu.pdfIn PDF document text
  • http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/1472613864.pdfIn PDF document text
  • http://onnetsolution.in/userfiles/file/sigosutepi.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/91d0594a7a92f33b2830bb9aebd15c8e/sizenub.pdfIn PDF document text
  • https://mystruggle.uk/indigo/ckfinder/userfiles/files/11185157321.pdfIn PDF document text
  • https://ducthai.vn/userfiles/file/jugekoramupenu.pdfIn PDF document text
  • http://abogadosaguilar.com/ckfinder/userfiles/files/97537482558.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/julajox.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/gumevuputegofaxularax.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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