Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://catamma.ru/uplcv?utm_term=a+hundred+years+of+solitude+pdf PDF link annotation

  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/0kvalrhvsge1fskn6thhitgi13/wisobinepixusuzedil.pdfIn PDF document text
  • http://arunimaflavours.com/userfiles/file/8131557164.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/gimegijawemafilaponod.pdfIn PDF document text
  • http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/43423532258.pdfIn PDF document text
  • https://skywaynepal.com/userfiles/file/pusozevokolevu.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/39566926897.pdfIn PDF document text
  • https://renetravel.ro/images/files/56284648081.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/b1505e0118b830070b5bd103af6dd1ce/palaremezomudiguxinoda.pdfIn PDF document text
  • http://amghanoi.com/images/ckeditor/files/33653166381.pdfIn PDF document text
  • https://gemma.lucien-sv.info/uploads/files/6135acfba95d7.pdfIn PDF document text
  • http://slmj8.com/data/userfiles/files/pavomipipinaje.pdfIn PDF document text
  • http://lor-rostov.su/userfiles/files/65900673497.pdfIn PDF document text
  • http://andrenickels.de/ckfinder/userfiles/files/35699317354.pdfIn PDF document text
  • http://captainkillmite.com/uploads/files/202109090330594186.pdfIn PDF document text
  • http://liqaa-lb.com/files/userfiles/files/povudovenizifugabidefe.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/50602433936.pdfIn PDF document text
  • https://curtain.jinware.com/upload/files/vuwomop.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139b74e16e2c---16395761064.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/9371595137.pdfIn PDF document text
  • http://daiichigroup.net/uploads/news_file/80681209576.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f171eab00f---jutimupisobelatibukejiw.pdfIn PDF document text
  • http://ndt-ultratech.com/files/6183887092.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/file/93679401789.pdfIn PDF document text
  • https://ghnservizi.com/file/87882127158.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16139c640d9cb0---66393263787.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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