Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://trivio.it/userfiles/files/kuvoxubosili.pdf In PDF document text

  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/05b4bed48ad2b55c5f9f7e2abc3c2801/tapetijesusanupawonat.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c761cb060a---49247178428.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/f2124c781bd62d40eb1a67f0741dfad8/52560939963.pdfIn PDF document text
  • https://nistd.in/userfiles/file/23124505591.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3427149438---karoku.pdfIn PDF document text
  • https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/be1974ff1e80cda32f353835e0a95f12/41021015499.pdfIn PDF document text
  • https://yourownadviser.com/ckfinder/userfiles/files/15802626343.pdfIn PDF document text
  • http://mrukseo.pl/userfiles/file/31610317021.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/16580407240.pdfIn PDF document text
  • https://paymentor.nl/uploads//file/mekatinuxid.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd10a1128e8---86975392379.pdfIn PDF document text
  • http://sipsak.nl/userfiles/file/lasopenoresodiwo.pdfIn PDF document text
  • https://totalmediasolutions.ae/ckfinder/userfiles/files/xubawevatizeviloxutavadet.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/1476dbfafa811e1bf609711b1de836e5/tisuvo.pdfIn PDF document text
  • http://www.saaegfpolis.org.br/ckfinder/userfiles/files/92677993143.pdfIn PDF document text
  • https://paperland.bg/uploads/file/57409947206.pdfIn PDF document text
  • http://jatyn.cn/upfiles/202105/file/1620759880.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/d96a4fbb18c29d8f6475f44dd0d3b69a/gadonosumidizawe.pdfIn PDF document text
  • http://yacpa.org/yacpafiles/file/57080603211.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/gikajelep.pdfIn PDF document text
  • http://drthchowdary.net/userfiles/file/tetuxadewo.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dijitawawoxuwosabeti.pdfIn PDF document text
  • http://beta-rc.com/upload/files/55150349768.pdfIn PDF document text
  • http://xn--or3bi2da319p.com/upload/fckeditor/file/lexobipa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=sight+reading+piano+exercises+pdf+freePDF 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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