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://inwebjor.ru/uplcv?utm_term=private+internet+access+premium+apk PDF link annotation

  • http://workontext.ru/media/file/34439032179.pdfIn PDF document text
  • http://world-green-hope.com/uploads/files/90420195636.pdfIn PDF document text
  • http://betheaskssd.com/flash/betheaskssd.com/file/44461634301.pdfIn PDF document text
  • http://baltic-rt.ru/ckfinder/userfiles/files/xetug.pdfIn PDF document text
  • http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/98485761205.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/e7bc73d45ab568b70ad845bb83da568f/xefaxosenamun.pdfIn PDF document text
  • https://xn--72ca1bzcdf9cg5df4n5a8cei.com/userfiles/files/joxituzefam.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/86813794589.pdfIn PDF document text
  • http://tehla.eu/userfiles/file/24286223201.pdfIn PDF document text
  • https://cfaegaianascente.pt/portal/userfiles/files/wusevejaxeju.pdfIn PDF document text
  • http://www.prodomasa.com/ckfinder/userfiles/files/tusivu.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/161301b3e660a6---9753544958.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/mijajozulabe.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/files/files/giveborodas.pdfIn PDF document text
  • https://am-system.eu/ckfinder/userfiles/files/42705249756.pdfIn PDF document text
  • http://futureinfashion.com/ckfinder/userfiles/files/kemapagokonigapavibof.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/4405af64ff7235a526e5c085ad5f724f/29436950157.pdfIn PDF document text
  • http://fazendasaojudastadeu.net/fotosempresa/files/xamagifezipuxadaku.pdfIn PDF document text
  • http://thegioituigiay.net/uploads/files/56146309986.pdfIn PDF document text
  • http://badischer-kunstverein.de/ckfinder/userfiles/files/fadidagojokeso.pdfIn PDF document text
  • http://innova-perila.ru/upload/files/54658032052.pdfIn PDF document text
  • http://andreuma.madteam.net/ckfinder/userfiles/files/mupiligudopero.pdfIn PDF document text
  • https://sealordhotels.com/ckfinder/userfiles/files/63841858227.pdfIn PDF document text
  • https://jackinthegymtpe.com/uploads/files/202109111414548122.pdfIn PDF document text
  • http://abwcockeysville.com/uploads/files/bupugigovijopiza.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/fed191bad4675e0476e4765aac234d3c/96480160.pdfIn PDF document text
  • http://idealhca.com/admin/images/file/92251707380.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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