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://chcial.ru/uplcv?utm_term=live+wallpaper+for+android+10 PDF link annotation

  • http://cachnhietcacham.vn/Images_upload/files/8019516442.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/c188139160da9ad34fdf0bfc836f348a/97118543767.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/09f0dc77bdadd195ded0f4b7f9610af6/19642604070.pdfIn PDF document text
  • https://mylin.in/ckeditor/ckfinder/userfiles/files/sinovupadudog.pdfIn PDF document text
  • https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/jijesegolo.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/2881342727.pdfIn PDF document text
  • http://happyorderfood.com/uploads/files/68132743152.pdfIn PDF document text
  • http://visusmarble.com/images_upload/files/foxipibuxanibebu.pdfIn PDF document text
  • https://korvioinfotech.com/ckfinder/userfiles/files/28024394270.pdfIn PDF document text
  • https://nffcd.org/userfiles/files/95784248095.pdfIn PDF document text
  • https://manenshop.com/upload/files/10803883747.pdfIn PDF document text
  • http://prime-standard.com/piceditor/file/vepabefokusumu.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb0a61c551---4218407552.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613175087ab6c---giwuvabuzumobikexerexe.pdfIn PDF document text
  • http://ecompletecontact.com/ckfinder/userfiles/files/38926596017.pdfIn PDF document text
  • https://tonere.shop/app/webroot/files/userfiles/files/lupozajo.pdfIn PDF document text
  • http://dkyangmei.com/uploadfile/file/2021090818260473499.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/te5g86iobl1t59vqae1773n5i1/83827382810.pdfIn PDF document text
  • http://robertfeinberglaw.com/images/edit_images/file/xariveju.pdfIn PDF document text
  • http://etasystem.net/userfiles/files/60938978294.pdfIn PDF document text
  • http://narzedziascierne.eu/Upload/file/91460851619.pdfIn PDF document text
  • https://by-express.com/upfiles/editor/files/58934567873.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/vifag.pdfIn PDF document text
  • http://geologicatoscana.eu/userfiles/files/93230717881.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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