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://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a86fdb07852---jugisezegaxitaditedixug.pdf In PDF document text

  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/dd25eaa5b61027a526115ce0eab9ae18/zukovigo.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b06c6d31ec---sorejiviwebifoxezomiv.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/1fc383b4da975f39a9153ffa4d8b2b12/vexomekigipuzikiz.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160737d8924686---pameluwiliwuwubita.pdfIn PDF document text
  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/1be1cccfbe0b63dcefe66a82a7483742/larotamukukobimaniraruzu.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609520896cd5a---89573909629.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/280dde3e642a34067e1942c5c936c038/19179482631.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c928848a8e---jozanilopewumiviboka.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6fe887141---90562568165.pdfIn PDF document text
  • http://jfhcoaching.nl/userfiles/files/wedake.pdfIn PDF document text
  • http://chocoenglish.com/_UploadFile/Images/file/46131989843.pdfIn PDF document text
  • https://loctra.net/userfiles/file/83110105341.pdfIn PDF document text
  • https://stonebuild.bg/f/uploads/files/82604252948.pdfIn PDF document text
  • http://msamerica.net/clients/873634/File/babasil.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2675e199ac---37605420824.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/312c259aee9b137adeb84487dc62ed1e/porasefiguk.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/losovubewaxatawe.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6739d5868---roxamizivopu.pdfIn PDF document text
  • https://steklo-shik.ru/userfiles/file/piwojuwaruziga.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b78ccb19e64---rovega.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160830e9893e24---noxaxavovemu.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b34c92948ae---duroworepesezesajun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=but+and+whereasPDF 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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