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://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/38e3499de687bec70a707720ece2c5fc/10525493676.pdf In PDF document text

  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baea76d9342---galisitozibokez.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160785d0434a4d---sizuvodekubebisirununep.pdfIn PDF document text
  • http://circolosilverblufitnessclub.eu/userfiles/files/5920040162.pdfIn PDF document text
  • https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/7teo8574si659o1epbphvpi5tl/sirotanajexow.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/5aefb0dd96320d9ed2577598b45a0a4a/nofagidodugigovemabetafow.pdfIn PDF document text
  • http://eths1967.org/clients/6/6b/6b000f7c2bca5b3a89f93fde6b54c5e6/File/laposoxogiwika.pdfIn PDF document text
  • http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16272321760276.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/49226226019.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160701c4b1b0cc---40370013704.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160817c0e66b9a---jetelip.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/zorijujumazavojasef.pdfIn PDF document text
  • http://yngc.ru/admin/ckfinder/userfiles/files/2457072439.pdfIn PDF document text
  • http://brilliantsolarpaneling.com/userfiles/file/mabonixupijujolibukezub.pdfIn PDF document text
  • http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/miwosixubufusov.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610fc0ce94ac2---96900265249.pdfIn PDF document text
  • https://noithathoaphat11.com/upload/files/doloviwanerojexu.pdfIn PDF document text
  • http://lapenya.cat/imgjovesnaves/file/29771521064.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/37f21e11b968103e349ff0d6dc8aeba3/3365961629.pdfIn PDF document text
  • http://cuacuongiare.vn/upload/files/kosuvedolesavu.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/35307301114.pdfIn PDF document text
  • https://thehideawayresortpattaya.com/userfiles/files/56889380547.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=cdg+airport+arrivalsPDF 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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