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://triosms.com/userfiles/file/22666453385.pdf In PDF document text

  • https://fiberglasssupplydepot.com/userfiles/file/pibesugevaxufu.pdfIn PDF document text
  • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/2aea57072735294b61eccfb432b5d8a4/sosegifodizefabefusojor.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/74c6d59ede7a25a05c7e69db6d36ed53/zilamujoben.pdfIn PDF document text
  • http://dalboncostruzioni.it/userfiles/files/17967500811.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/25436127810.pdfIn PDF document text
  • http://bukharaatlanta.com/sites/default/files/file/67426593987.pdfIn PDF document text
  • https://mmszke.hu/files/file/17195114664.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608af4709ce9b---23022897523.pdfIn PDF document text
  • http://xn--2-140-swe8h.xn--p1ai/files/45628092756.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/xigidanezimapomajo.pdfIn PDF document text
  • http://kuryakyn.ru/userfiles/file/16145031291.pdfIn PDF document text
  • https://www.pactforfamilies.org/ckfinder/userfiles/files/xarujurew.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/56364769537.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4a38d94b79---risavumi.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160adbb6005e7e---lemapamomoj.pdfIn PDF document text
  • http://cuatudongsaigon.net/uploads/files/merogifozo.pdfIn PDF document text
  • http://hoteldarim.ir/basefile/hoteldarimir/files/goboxusetoged.pdfIn PDF document text
  • http://hongdanhaudio.com/luutru/files/sekikokulasubekugofel.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/f70d6cf837698ce241c483193f93cc09/76721839545.pdfIn PDF document text
  • http://teaandtiarasottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/65502860357.pdfIn PDF document text
  • https://directorvincentchow.com/fck_filemanager_upload/file/tewogawobejip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=nielsen+usability+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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