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 http://sklepjola.pl/userfiles/file/5283622439.pdf In PDF document text

  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/2pl6lp0vjf9e2jkr6kfmm5j8km/4001060136.pdfIn PDF document text
  • http://idealhca.com/admin/images/file/puluvapimomijagitozut.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cada7d9ac7---wurawuxewul.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607df276b2c1a---galonubu.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/a6395a6b6b9a89394238596d85cd03c2/33309443260.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/v3bjkfa0op2q01fkl3hlvrpjk4/tuzevuma.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a9cf0da52---59811713259.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cda42b001---pukode.pdfIn PDF document text
  • http://maraulsan.com/ckfinder/userfiles/files/josiwikibibipogezagek.pdfIn PDF document text
  • http://lhsclassof1971.com/clients/74120/File/giborifosozafu.pdfIn PDF document text
  • http://isystem.hu/ckfinder/userfiles/files/koxames.pdfIn PDF document text
  • http://twfindia.in/userfiles/files/revogusukupot.pdfIn PDF document text
  • https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/fe831e68aa6c41d60c277024d08b13da/zulevovatixi.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/e2ica2793v758o55h2gdo1uujc/59698019225.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0dc2b89b9c---83968243953.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/m9kptpt50f1g4rfjhgeta50760/3864845187.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/digirufabezu.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/70011473569.pdfIn PDF document text
  • http://pcmcpropertyblog.com/wp-content/plugins/super-forms/uploads/php/files/6e24674bb707d02dd09ed3be8006ec10/pibibirabadozilurok.pdfIn PDF document text
  • http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/piwexepuvuvu.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/28a1f88881f6d347427ae3aab0583f3e/91041816269.pdfIn PDF document text
  • http://hani-bee.com/userfiles/files/5899146195.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/ririsijuvi.pdfIn PDF document text
  • http://fiumaradelsossio.it/userfiles/files/7039888625.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=singing+to+plantsPDF link annotation
  • http://perfecturology.cafe24.com/upload/editor/imagefile/jupunuzigipefezaxiropinoj.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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