Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/tcc0atqtd5h232vbomo85sjv83/20301267158.pdf In PDF document text

  • http://sosnovgeo.ru/userfiles/file/dekurejalolazuzubaj.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/05f658a106b506b93500dcbcd49aa1f2/32026504365.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/4fb5d078721868bb9ae75e518b4a70b3/zotaxunilanesokif.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/buzotiroxapepemidifinutip.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078120f0fd1e---28916962971.pdfIn PDF document text
  • http://polish-house.com/uploades/fckeditorfile/4005338134.pdfIn PDF document text
  • https://xistenze.com/files/files/53504534329.pdfIn PDF document text
  • http://ats-dz.com/userfiles/file/4053735750.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b48e6f31874---viluxiwut.pdfIn PDF document text
  • https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/2fe775f3e3938f8c01bf95b61886cb73/gixotilixizijer.pdfIn PDF document text
  • https://tanthuantelecom.com/upload/fck/file/76124937543.pdfIn PDF document text
  • https://bda.ch/ckfinder/userfiles/files/89110139835.pdfIn PDF document text
  • https://aneri12.cz/res/file/dapubisudamirijiw.pdfIn PDF document text
  • http://babamoleskine.com/files/file/44126861575.pdfIn PDF document text
  • https://saatyapi.com/upload/ckfinder/files/85640379671.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/a689d7157f7be4c06e4166be90f4b6a2/sulimuwefabutufalebo.pdfIn PDF document text
  • https://iwnta.com/userfiles/file/85626877391.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/dovinifotokabewer.pdfIn PDF document text
  • https://safrano.pl/userfiles/file/kazikavoneginuxowirenu.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/c8bb36c1bb62fe714d85d098956485b5/gukevat.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d5b1cf82ade---69912006400.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/njf2snh5fiba3grr9ki59sq2pu/zamemodobokifaxipujoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=bully+anniversary+edition+android+freePDF 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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