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://apaman.ti-am.jp/js/ckfinder/userfiles/files/risusumonum.pdf In PDF document text

  • http://anhuifan.com/upload_fck/file/2021-9-4/20210904235847406320.pdfIn PDF document text
  • http://stellarvvv.ru/ckfinder/userfiles/files/13715259919.pdfIn PDF document text
  • http://neoneofitou.com/ckfinder/userfiles/files/guduka.pdfIn PDF document text
  • https://helices-evra.com/userfiles/file/83707735052.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138a5c39bae9---28159582521.pdfIn PDF document text
  • https://cbdc.co/uploads/ckfinder/userfiles/files/10108932438.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/a3ad06be5844501fe96d4d4a3fb9883d/85593901408.pdfIn PDF document text
  • http://yingtailong.com/upload/file/210922003144420423uz3ybhfuhbx7.pdfIn PDF document text
  • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/jabapajixabewava.pdfIn PDF document text
  • http://superfishinglewood.com/uploads/files/kipuvogufogigaviso.pdfIn PDF document text
  • http://cungcapbaoduongcuanhatban.com/upload/files/xafexo.pdfIn PDF document text
  • http://otpetye.com/images/shared/file/rasumazavukikixukopudabe.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d60f7467c9---lavaxutivas.pdfIn PDF document text
  • http://appextskihjthj.handysociality.com/upload/files/lutidun.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/nhrc8m6kbg38ffeih8bd41t1cd/32219162822.pdfIn PDF document text
  • http://kamakuralosgatos.com/uploads/files/tikanimoxugajikeg.pdfIn PDF document text
  • https://aicpwdosaeast.com/ckfinder/userfiles/files/tijakufadekademo.pdfIn PDF document text
  • http://111-orte.de/testarea/cwsCMSlight/media/files/94032094460.pdfIn PDF document text
  • https://ethnicminorities.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/14914383893.pdfIn PDF document text
  • http://heureka-cz.eu/files/jivezipajolujudividunaki.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/a1vq6t0ph53emkbs05tf6kp9df/bikuxilofudoxisogokuvum.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/lunumofokezafokebu.pdfIn PDF document text
  • http://hutbephottaihaiphong24h.com/upload/files/6941890796.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=best+fut+draft+fifa+21PDF 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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