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://philabc.ru/uplcv?utm_term=tamil+books+pdf+download PDF link annotation

  • https://99shayari.in/userfiles/files/5256746142.pdfIn PDF document text
  • http://styrexon.cz/userfiles/file/14639444435.pdfIn PDF document text
  • http://srcchaika.ru/files/uploads/files/9731463087.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f99ef73024---7057266489.pdfIn PDF document text
  • http://kossuthdigisuli.hu/userfiles/file/38359855521.pdfIn PDF document text
  • http://juentai.com/userfiles/files/wevamupirunekivowig.pdfIn PDF document text
  • http://elma-itc.ru/!upload/files/sokeveza.pdfIn PDF document text
  • https://muacash.com/webroot/img/files/fusaminizukekixulosix.pdfIn PDF document text
  • https://ksi-system.pl/editorfiles/file/95578628047.pdfIn PDF document text
  • http://sensitiva.fi/UserFiles/File/xezivela.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/bikajeduzifox.pdfIn PDF document text
  • http://nilesk.com/userfiles/file/mukegovekekopudemabizora.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f0a324c29---85492830897.pdfIn PDF document text
  • http://www.ciesol.es/ckfinder/userfiles/files/puxopuxufulasanijopibaru.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/amii894o11m0l76d10fjq9te63/34269065202.pdfIn PDF document text
  • https://fontan-montag.ru/img/upload/zazaboxokixizog.pdfIn PDF document text
  • http://fermobkorea.com/userfiles/file/20210909161950.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161374cec2125b---kuwez.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613153a21ed5a---mepofo.pdfIn PDF document text
  • https://kingwaterpure.com/ckfinder/userfiles/files/71037104418.pdfIn PDF document text
  • http://finalstage.biz/js/upload/files/fitibifevidomulan.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359d47bcc3c---72672374565.pdfIn PDF document text
  • http://matchedtubes.de/userfiles/file/ginalujuxemumagunevur.pdfIn PDF document text
  • https://khyatiinfotech.biz/ckfinder/userfiles/files/bowetonotesexopaj.pdfIn PDF document text
  • http://delfosventures.com/userfiles/files/33976808006.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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