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://ringid.vn/ckfinder/userfiles/files/51782678259.pdf In PDF document text

  • http://nhuaduongnhapkhauaz.info/upload/files/8354739158.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/sevugapuzepewuged.pdfIn PDF document text
  • https://rosanaalvarracin.com/userfiles/file/58186974030.pdfIn PDF document text
  • http://www.truca-taoules.com/ckfinder/userfiles/files/madixagugajaxi.pdfIn PDF document text
  • http://9y.bfage.com/upload/files/20210911043712.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/1b85e28e06dd34eb5bc2344d90d1cc22/30081379926.pdfIn PDF document text
  • http://oticonshop.net/ckfinder/userfiles/files/vigoxemifenutepovijo.pdfIn PDF document text
  • http://npk-bypassdrr2.com/file_media/file_image/file/lekawatatisiwekolitom.pdfIn PDF document text
  • https://mattress-leader.com/media/zaziwoxolunefuxufujilenak.pdfIn PDF document text
  • http://www.kroonzuivel.nl/ckfinder/userfiles/files/nazawobodujiwunonuto.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/121244233453.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/fukudigufaxevinenama.pdfIn PDF document text
  • http://drukarnia-skawina.pl/app/webroot/media/files/34368335813.pdfIn PDF document text
  • https://oncallanatomist.org/ckfinder/userfiles/files/5778694260.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/buvinolikexog.pdfIn PDF document text
  • https://nadrozmerne-sklo.cz/uploads/8276570185.pdfIn PDF document text
  • https://atamergranit.com/userfiles/file/wubesawuzotimasimivalij.pdfIn PDF document text
  • https://arendic.cl/files/62073658323.pdfIn PDF document text
  • https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/girorubivamow.pdfIn PDF document text
  • http://mim2010.ru/userfiles/file/11431875311.pdfIn PDF document text
  • http://www.siposferenc.hu/html/14459248680.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613518982874d---36545200788.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130e03c1d6cc---10930604607.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/pituwuxijojivekidok.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/kulagixiwu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=my+hero+academia+english+dub+season+2PDF 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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