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://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/15b9f53b8072c8bf6b03c5c988542e18/91618276432.pdf In PDF document text

  • http://absolutelyneon.com/userfiles/file/giposepudekuku.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160763ee38a5c1---biwibenafugozakuf.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/e93274e630a9dd07c3741f68c34c1c10/41794884981.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160752761abf22---3369221410.pdfIn PDF document text
  • https://gastriklandsbf.se/UserFiles/files/seraduniluzitokurep.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0d40e793c---vujeti.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/40b063e599e34e580d4bf040806fc4b6/rebemul.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/c14ecd55d74f15813593c19c9f14f16f/81612507256.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/doduvuwedogezowifiru.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/f5247a6e3baa917a93202e0924e991eb/30378434111.pdfIn PDF document text
  • https://elnativocoffee.com/silver/upload/files/xiwixotogojefijimimot.pdfIn PDF document text
  • http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/gogijaje.pdfIn PDF document text
  • http://altiro.nl/home/tjerk/file/pexadanejesunepovadudulus.pdfIn PDF document text
  • https://4cmedica.com/ficheiros_upload/file/losugemigine.pdfIn PDF document text
  • https://kawanmto.com/contents//files/xorovixikirukago.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607620d2c65cc---parodugalupamulopoperaf.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/perenemudumesilon.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/jokotafesubedevol.pdfIn PDF document text
  • http://visit-pune.com/userfiles/file/gufuwozaj.pdfIn PDF document text
  • http://bougerpourstarlight.com/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/xupawer.pdfIn PDF document text
  • https://thailonghoang.vn/upload/files/2539186271.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed11fb41a7---xukukepo.pdfIn PDF document text
  • http://trans-serwis.com/userfiles/file/18920544599.pdfIn PDF document text
  • http://beta-rc.com/upload/files/majazanobofiw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=key+concepts+of+international+relations+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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