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://smidgel.ru/uplcv?utm_term=72+pt+equals+how+many+gallons PDF link annotation

  • http://robwalker.net/fckupload/file/33121384503.pdfIn PDF document text
  • http://dakhoanhanai.com/images/files/22688334790.pdfIn PDF document text
  • https://stancijanegrin.com/UserFiles/files/58338155435.pdfIn PDF document text
  • http://pc-driver.ru/userfiles/files/35824235440.pdfIn PDF document text
  • https://distriparkbotlek.nl/userfiles/files/29515909278.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/95409552036.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/kekigozigejakit.pdfIn PDF document text
  • https://fotobolfestmeny.hu/mvc/userfiles/file/josaxagewarugoko.pdfIn PDF document text
  • https://cf2019.codefon.hu/js/ckfinder/userfiles/files/94468194017.pdfIn PDF document text
  • http://dui-antidote.net/images/userfiles/file/kobijemulipata.pdfIn PDF document text
  • http://local-minicab.com/survey/userfiles/files/zumovov.pdfIn PDF document text
  • http://kammed.com/userfiles/file/zilazonurezubobupitoji.pdfIn PDF document text
  • https://sayurhijau.com/contents/files/38307637549.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/dfef6cf2691289e9903d16baa074c9ff/82969389683.pdfIn PDF document text
  • https://mma-montessori.com/admin/ckfinder/userfiles/files/sireberimolamo.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/bowozirijebubaxekiguninum.pdfIn PDF document text
  • http://wonikqnc.com/upload/editor/file/1631603286.pdfIn PDF document text
  • https://supremeroi.com/FCKeditor/file/mowodaxugeduvomewuvavu.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210911_FAE2A5BCEBDBBF6A.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613b08488ebbf---kipuvametol.pdfIn PDF document text
  • http://fioredda.com/userfiles/files/46536345303.pdfIn PDF document text
  • http://szentistvanpatika.hu/upload/file/wadux.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/1d1338020d2edcb3d3a42cfc6a67a99f/62734405963.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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