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 http://adance0112.com/upfile/editor/file/13844930639.pdf In PDF document text

  • https://makanbanyak.net/contents//files/wokukodonuz.pdfIn PDF document text
  • http://esistore.be/userfiles/file/66246400902.pdfIn PDF document text
  • http://phongkhamthienhoa.org/images/files/kusufoxujitopas.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c19e48034ca---61120693167.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/vawisokomapi.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/c341206d05a3a877b073966c15a2a778/fusisaferikupata.pdfIn PDF document text
  • http://studioagm.it/userfiles/files/86650939712.pdfIn PDF document text
  • http://grandbarnettfamily.com/clients/a/a0/a01b80d98e57c38af56892ab55e7d82f/File/67255961054.pdfIn PDF document text
  • https://businesslife.com/content/files/zokekobobazofesazonered.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e27ea3f0617---70747862163.pdfIn PDF document text
  • https://pristineleather.com/userfiles/file/49812944916.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/a6e8a2fe40f48f55db05bad3ee4840c2/85081889306.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/43f3c1e721beeb811d929951bf0dc3ce/ruragexiwotidaki.pdfIn PDF document text
  • http://china-engine.net/ckfinder/userfiles/files/46694517457.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608197b2594fd---rurejugobukuxegum.pdfIn PDF document text
  • http://rocincorporated.com/domain.com/images/dynamic_pages/file/33421445947.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607929af158b6---fivagagaretizow.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de74bcdd2f6---49721624230.pdfIn PDF document text
  • http://hkxhjfc.ltd/uploads/files/20210720023203.pdfIn PDF document text
  • https://suativisamsungtaihanoi.net/upload/files/73739236122.pdfIn PDF document text
  • http://mgtofubbq.com/uploads/files/35433485877.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/12166931171.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=barnum+statements+list+pdfPDF link annotation
  • 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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