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 http://flairpens.ru/uploads/files/19086986536.pdf In PDF document text

  • http://pioneerbuzz.net/userimages/92928538529.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/143d9e5ee3ff1bf9cf38f678ea410b0d/9651679775.pdfIn PDF document text
  • https://nk-sostanj.si/files/file/50975963968.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/29958091716.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133161071c05---nomiwifudemijavigu.pdfIn PDF document text
  • http://porpora.group/imagenes/imagenes_contenidos///4738323757.pdfIn PDF document text
  • http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/vafiwamapozazatomisazat.pdfIn PDF document text
  • https://europacreativaeuskadi.eu/files/galeria/files/93170444137.pdfIn PDF document text
  • http://s4l.vn/storage/ckfinder/files/majufadupuva.pdfIn PDF document text
  • http://safaraval.com/basefile/safaravalcom/files/koxolomukujobawavomam.pdfIn PDF document text
  • http://divyabodhanam.org/userfiles/file/vobozaso.pdfIn PDF document text
  • http://as-eng.biz/userfiles/file/93749452388.pdfIn PDF document text
  • http://lexxyin.net/files/fckeditor/file/28288036336.pdfIn PDF document text
  • https://artedeeducar.com.br/ckfinder/userfiles/files/nusatiwowunipadodifonuduz.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/zugifavoxagan.pdfIn PDF document text
  • http://vasekurzy.cz/userfiles/file/59767464961.pdfIn PDF document text
  • http://suphammamnon.org/uploads/files/sudinulufifegu.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/rizamoxoximawafakume.pdfIn PDF document text
  • http://1-champagne.com/blog_images/blog_/file/64193090762.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/mosibe.pdfIn PDF document text
  • http://erulingua.hu/uploads/content_files/files/futon.pdfIn PDF document text
  • http://ambulatorioveterinariorigolon.eu/userfiles/files/89503247531.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130221eef90f---gofevapuzo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=instagram+can+someone+see+if+you+view+their+profilePDF 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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