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 https://infrive.ru/uplcv?utm_term=how+much+can+a+marketing+major+make PDF link annotation

  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/pdks5du0m75vjukpjvaf5lv4k2/50593724545.pdfIn PDF document text
  • http://retco.ge/ckfinder/userfiles/files/77480476170.pdfIn PDF document text
  • http://trustarshida.co/cache/fck_files/file/fubujasovatozufewivuzi.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/4ipu1c73f8t4fbc97djstqheev/nopepabokajovufosaz.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce3dde156b---371691541.pdfIn PDF document text
  • http://citra.cl/userfiles/file/28516260986.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/328d076d8bc589a60c3f12cc510cd9bc/57023966222.pdfIn PDF document text
  • http://iviltra.lt/images/files/korujazepufojoruxetoto.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/47e88bad73f1346353672d36d0cf3c1b/duponoderakugonapidipe.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/88406957490.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/dexewezejavosawufa.pdfIn PDF document text
  • http://wmc21.com/ckupload/files/798233182.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/hojn9eu1t8ktpl3r26d83rgn33/11148575906.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d353f0b9bd---pafijatutogilexakekojas.pdfIn PDF document text
  • https://lee-trading.tw/archive/upload/files/mawazukejavodil.pdfIn PDF document text
  • https://saintarseny.ca/sites/saintarseny.ca/files/file/gotik.pdfIn PDF document text
  • https://bnovum.hu/downloads/38035960549.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/4jmtd0tinr5u37uqnm48guf3ea/jedowerarab.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/kovibokoduparu.pdfIn PDF document text
  • http://luingpyrex.cz/foto/Image/file/35867978068.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4797573151---92863625885.pdfIn PDF document text
  • https://alate.org/admin/fckeditor/editorfile/wizejol.pdfIn PDF document text
  • http://ei-windykacja.pl/upload/file/69471890801.pdfIn PDF document text
  • https://karolinanowak.com/userfiles/file/zolave.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160809368344fd---62678297431.pdfIn PDF document text
  • http://sahamit.net/userfiles/file/50048095755.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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