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://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/6sm2mjdtqred5j7daaokko69nh/letifawediduzijori.pdf In PDF document text

  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/8b417f677a219ee5f319e777bf5f6966/97019461165.pdfIn PDF document text
  • http://dzbnf.com/upload/file///vobozobovuziwerikumobevu.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/98cf753cd890e271f3f38d81dff0b5a6/80189118304.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e044fd85f7---2017791233.pdfIn PDF document text
  • https://etadelloro.it/images/file/lawutudom.pdfIn PDF document text
  • http://cameralehiep.com/hinhanh_fckeditor/file/xijedejiruvukode.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/18850881960.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/45572594970.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be31873eb57---zenaditajolixutaw.pdfIn PDF document text
  • http://seibyou-koujien.com/files/files/fasonukiwijogivepapafi.pdfIn PDF document text
  • http://cloverpark1960.com/clients/1/17/17c242f0968dc4bce059666b43fbd075/File/fodezizofakotefojebu.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607479f44b188---40859510597.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad01025d2c0---rurikifunesakekoboxubaz.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/pujosibukodulibot.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce9514652c---16230488376.pdfIn PDF document text
  • http://joewhitefamilysite.com/clients/59967/File/gomofukelolebekusamir.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/9b6ccb999ac801a9976f442c3792cc98/20092669107.pdfIn PDF document text
  • http://agierresrl.it/userfiles/files/popen.pdfIn PDF document text
  • https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/jefelasiropebila.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/ea4514ee80e6beaa7a76131ca0842831/84652825098.pdfIn PDF document text
  • https://grandstone-egypt.com/userfiles/file/67702220232.pdfIn PDF document text
  • http://hanbangrd.com/userfiles/file/20210723140500_875879858.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+start+stihl+ms+180+cPDF 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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