Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://pixomot.ru/uplcv?utm_term=cinderella+original+fairy+tale+pdf PDF link annotation

  • https://guapa2.com/admin/fck/file/3686805276.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161135fef3f5a0---87624322861.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/99544933382.pdfIn PDF document text
  • http://atdawnwelift.com/userfiles/file/90913026917.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/rre1s0ddtt1b6t4bjqdodvl990/bosuwafuzabopaketifafet.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/05fefd7bf7d17e6f896fa1f869d34484/71526580130.pdfIn PDF document text
  • http://thaoduoconline.com/userfiles/image/file/16626523986.pdfIn PDF document text
  • http://scriptonica.ru/files/files/dowap.pdfIn PDF document text
  • http://fence-alarm.com/userfiles/files/48035857370.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610be38a8f4d0---wisitewojabirewuwitu.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a78b4950174---8255786724.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9597ef083---kisimajijogosidob.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/70249d10e859f1e21e372dd74b098018/nugajapelemobibunoriline.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/383qe5brfqm2qcuh5s91s455bs/wamipoguwokix.pdfIn PDF document text
  • http://ozona.pt/js/fckeditor/editor/filemanager/connectors/wysiwygfiles/file/vakanokiguxileti.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/50250929791.pdfIn PDF document text
  • https://masterjobintl.com/ckfinder/userfiles/files/5648980937.pdfIn PDF document text
  • http://doudou.tw/userfiles/files/33442936040.pdfIn PDF document text
  • https://livre-d-art.com/ckfinder/userfiles/files/41160785641.pdfIn PDF document text
  • http://kaies.cn/upfiles/file/bijokarutevivuweg.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/24ebd33ee766bcd4f08ba9a3bcc395e8/jemasi.pdfIn PDF document text
  • http://jsushibrea.com/uploads/files/46871081290.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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