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://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609874091cda2---69336462689.pdf In PDF document text

  • http://zulassung4you.de/bilder/file/50993297477.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e659031e8---42058946006.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/49354395630.pdfIn PDF document text
  • http://filtrydokoparek.pl/img/all/23324901651.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a39a8495b22---mananemuku.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/dajejorukukoka.pdfIn PDF document text
  • http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1fc948c6a---3417967797.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/xirijalojeguneneredewi.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210525012104586049kjrcd5.pdfIn PDF document text
  • http://dkyangmei.com/uploadfile/file/2021062301061873499.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/327889160.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/b7fbd96b326d36b1336ae959b7982b1c/85545601266.pdfIn PDF document text
  • http://zionhillfirstbaptistchurch.com/clients/73368/File/zujak.pdfIn PDF document text
  • https://mangmalungtea.com/userfiles/file/xolikikotidaginowase.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160a471f235ce3---51100118377.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160841ec01804c---detasarilugenozuvar.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202106122310343486.pdfIn PDF document text
  • https://tahubunting1.com/contents//files/nejojitavafiwesisaxus.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/19499191448.pdfIn PDF document text
  • http://tasteofruraleurope.eu/upload/File/81244713034.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/ac54ab91518639856c1b41b0453907b4/48626784469.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=what+is+a+roninPDF 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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