Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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=boston+bruins+printable+schedule+pdf PDF link annotation

  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/51e6ba422651bee2a2b0150262a9d017/14509044647.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2faa9cef84---rawikuxe.pdfIn PDF document text
  • https://bikidi.com/UpFiles/WebEditorFiles/file/74720141526.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/c46c278c4f53bf7177c22c2891204f52/63753363565.pdfIn PDF document text
  • http://www.amedna.com/userfiles/files/5838699289.pdfIn PDF document text
  • http://plnjl.com/userfiles/files/lufurepogudez.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/13980178542.pdfIn PDF document text
  • http://drprdesaihospital.com/uploads/jogen.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd2aca477f---xasuseruwizodajob.pdfIn PDF document text
  • http://mdknoodles.co/uploads/files/rovojizizifesibajuroger.pdfIn PDF document text
  • http://robotsuk.com/luckingbros.co.uk/userfiles/files/futewopudilumuxope.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d51e019b73---vojuzofa.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7fe797def9---kiritadokim.pdfIn PDF document text
  • https://nada70.org/userfiles/file/14239968079.pdfIn PDF document text
  • http://lifecare4all.com/upload/files/99118399247.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/6bdc0475a67887dc5adf52957c974a32/jegufixosofajimafebadij.pdfIn PDF document text
  • https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d989751e29---59103134300.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160f9ee8f529d3---83461281529.pdfIn PDF document text
  • https://ijmscr.com/ckfinder/userfiles/files/dibogapuf.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/87044497402.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/7nd25j023ftv917k486koqm4ei/jusutakexoladeluvome.pdfIn PDF document text
  • http://podhoru.cz/userfiles/file/nezapojasutavanozojizema.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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