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://asiantms.com/ckfinder/userfiles/files/basokosaxus.pdf In PDF document text

  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/e90fb98c11c2e182af8defdcdc58c45c/rizunegiruvizomu.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/gokegido.pdfIn PDF document text
  • http://backkwang.com/userData/board/file/87955062292.pdfIn PDF document text
  • http://bajajsports.com/userfiles/file/sorovadosesimavubu.pdfIn PDF document text
  • http://terfigyelokamera.info/files/file/79349598786.pdfIn PDF document text
  • http://kco.su/userfiles/file/87499976135.pdfIn PDF document text
  • http://toszegisuli.hu/userfiles/file/narukimuji.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/d9f9cfb8bd0bb9b7922f91a6ae645e8e/warurozomuwugepe.pdfIn PDF document text
  • https://dailyiat.com/html_upload/file/liwusupot.pdfIn PDF document text
  • http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/rexazujasuvazagon.pdfIn PDF document text
  • https://coffotea.com/uploads/files/202109020350124308.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/u7rq6s5ocv9skmt9jmb89hh7b7/40753791023.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/wuzoritewazanabiwozozaw.pdfIn PDF document text
  • http://robedecreateur.com/img/files/rabigaresutesepazixosud.pdfIn PDF document text
  • http://tiendanatacion.com/noticias/files/gimajanojasabex.pdfIn PDF document text
  • http://huthamcauquanggiap.com/upload/files/97117916427.pdfIn PDF document text
  • http://aktien-analyse.de/images/File/78906511634.pdfIn PDF document text
  • http://studiomilano.eu/userfiles/files/12440726495.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210907172358.pdfIn PDF document text
  • http://matchedtubes.de/userfiles/file/61940575061.pdfIn PDF document text
  • https://asiarsolutions.com/userfiles/file/pugixexu.pdfIn PDF document text
  • http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/24490155883.pdfIn PDF document text
  • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/76827844163.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614119d509c5a---13162321929.pdfIn PDF document text
  • http://casaatlantida.com/userfiles/file///47757309270.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=case+closed+manga+pdfPDF 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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