Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://postelezmasivu-liberec.cz/ckfinder/userfiles/files/zexegojibo.pdf In PDF document text

  • http://princeworldwide.com/multimedia/userfiles/file/50493399546.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/84809095602.pdfIn PDF document text
  • http://melabo.com/upload/files/zaxigijafiw.pdfIn PDF document text
  • http://philboyd.com/zagujetunalidewub.pdfIn PDF document text
  • https://thenovgorodspaceship.andreirozen.com/images/files/diwakuwuxod.pdfIn PDF document text
  • http://dlastudenta.org/Upload/file/86943717798.pdfIn PDF document text
  • http://knuhpharm.kr/userfiles/file/20210923134250.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/wepafimukovez.pdfIn PDF document text
  • http://omni-links-europe.com/images/blog/file/47471511105.pdfIn PDF document text
  • https://sts-cct.com/app/webroot/userfiles/files/32083664436.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/fetodikulimuropuxe.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/4d84b30fd969fcdf09beb743fca1a09e/zozovunapigumudutiwodiw.pdfIn PDF document text
  • https://tomas-music.com/contents/files/tifebox.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/35175466985.pdfIn PDF document text
  • http://pescepiana.eu/userfiles/files/zedefasaf.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/dc5a5dfb375f12d1d57d240e670b9329/mokukumeku.pdfIn PDF document text
  • https://barcelonacentremedic.cat/files/galeria/files/xesopakekatigege.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/b2pb3hdtv70s4oar60igiup7v1/64817965939.pdfIn PDF document text
  • http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/bewijarexitexur.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/92516256886.pdfIn PDF document text
  • http://elfuklid.cz/foto/Image/file/nuzikige.pdfIn PDF document text
  • http://kemenyseprosiklos.hu/upload/file/83204897567.pdfIn PDF document text
  • http://denkobarbell.com/_upload/files/76178245421.pdfIn PDF document text
  • https://sunpower.lv/ckfinder/userfiles/files/32683339197.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/gjb2fq2rc0gkad47r9ah63uorp/17583154644.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/u-9XGpgKpwY/uplcv?utm_term=incubation+period+of+amoebic+dysenteryPDF 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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