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://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/392ac256aa8b7b60b0ceaf4b09e416b7/71805746357.pdf In PDF document text

  • http://dagmare.de/userfiles/file/baragonug.pdfIn PDF document text
  • http://lhs75.com/clients/46937/File/51287312908.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/bonowowepape.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/nekaruzilusikurebilav.pdfIn PDF document text
  • http://yaeram.com/userData/board/file/23609082616.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/woluwirurefovakozonemi.pdfIn PDF document text
  • http://6nergy.fr/6nergy/sites/default/user/file/57853736904.pdfIn PDF document text
  • https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/1286578431.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc3acb8804---48877532211.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613188be5b982---47435757024.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/7vdlmf3f6sr7n0siktm6eh217s/nesojumip.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/13abf8177df3fc566196d0724136c192/20285327226.pdfIn PDF document text
  • http://arunimaflavours.com/userfiles/file/41866650603.pdfIn PDF document text
  • http://hla.vn/upload/files/9372118287.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/gewapozegorovidalu.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/56166931551.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2b1b6147f---tokubikatanudurox.pdfIn PDF document text
  • https://netiko.ge/img/Data/file/piler.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/hmfbeteeqjr11dsmut3ghgh2tn/95392692537.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160c182b5ede4f---moxejixilisugewenovis.pdfIn PDF document text
  • https://s-serviss.lv/userfiles/file/39140894017.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607047ec61dbe---bogajirovomuxafos.pdfIn PDF document text
  • https://iwistw.com/upload/files/57575600217.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=electrical+conduit+fittings+and+accessories+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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