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://chcial.ru/uplcv?utm_term=tygarts+valley+regional+jail+inmates PDF link annotation

  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161009cd759b1e---mepufujiwidufolipevusofow.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/bbfe7b898903abbf3954111b16848ee9/wagekavezafanalemu.pdfIn PDF document text
  • http://akwarella.pl/user_uploads/file/jaremolugurupupekorupubu.pdfIn PDF document text
  • http://daearesort.com/FileData/ckfinder/files/20210701_491A1091410AEBA0.pdfIn PDF document text
  • https://btegypt.com/file/gosebagogekesupeso.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/17b90c9792a60f7eb81802ab373dcd99/85275724911.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/deril.pdfIn PDF document text
  • http://fred-robin.com/ckfinder/userfiles/files/81723519683.pdfIn PDF document text
  • https://cantarefides.ro/admin/userfiles/file/futekasap.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/f9ea7ee86b1d1941f1af8cd4061a9843/59044753450.pdfIn PDF document text
  • https://irastuff.com/admin/ckfinder/uploads/files/73428520458.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d5fea8b6171---jozopu.pdfIn PDF document text
  • http://sentralperdana.com/file/9332915919.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/30969997718.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d90c177cd6---29420396363.pdfIn PDF document text
  • http://takeacode.eu/user/d41d8cd98f00b204e9800998ecf8427e/file/64364426208.pdfIn PDF document text
  • http://daegyung.kr/userfiles/file/20210728151449.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/92bbf03b027c0a1dc24d3068f93fa6e7/21195869389.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/96025934910.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/8e8656936d4fb6b5a80bd8eb91788360/64990475362.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/b1e3c52a80eb876e0e34e8eaae76f1d6/gebofuvudupaj.pdfIn PDF document text
  • https://olterus.net/contents//files/68043240367.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/a10otajh8fmfp3pua2tm6n08dt/jurajofuwerirali.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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