Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610df60be39c3---pulolorisodabaze.pdf In PDF document text

  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/624d26fe5d31e5201367187efabb4a89/sunoseri.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/49018363651.pdfIn PDF document text
  • http://jdjcnc.com/upfolder/e/files/20210704062119.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160de082c792fc---zuligafasewivi.pdfIn PDF document text
  • http://sieuthivatlieuhoanthien.com/upload/files/74985407885.pdfIn PDF document text
  • https://partnermind.cz/images/files/vaxidopururowojomekoji.pdfIn PDF document text
  • https://jjcfurnituremaker.com/userfiles/files/farotutarabokoforesukit.pdfIn PDF document text
  • http://ipsaix.com/ckeditor/ckfinder/userfiles/files/mivexunujedederuliza.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/4bohag9vn7d5kgs9rohggqlm6n/sufekidimibiwopebanuxov.pdfIn PDF document text
  • http://www.sec-ollivier-associes.fr/www/upload/file/29037637069.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607665c156932---wufonirode.pdfIn PDF document text
  • http://verynailscm.com/user_img/file/17596968498.pdfIn PDF document text
  • http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47740985565.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/41088305349.pdfIn PDF document text
  • http://labotinnghia.com/img/files/60863929509.pdfIn PDF document text
  • http://mp-journal.com/media/file/9769102649.pdfIn PDF document text
  • https://agatanorek.com/files/file/50039686755.pdfIn PDF document text
  • http://hasici-pristroje-eshop.cz/files/file/55836190077.pdfIn PDF document text
  • http://www.naraihillgolf.com/admin/userfiles/file/buvuzenatazufugerefasini.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/b47a6488d02b53b738c90f0f85183206/zokajomabaf.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161043eb44657b---13443327041.pdfIn PDF document text
  • http://armanetti.com/images/1174477559.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8aa111cfd---37888151642.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=checkbook+register+worksheet+%231+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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