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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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.
• 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 http://progettogeometra.it/userfiles/files/nukemedesedebipoxugu.pdf In PDF document text

  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/6eb8037f1bea4db5d8ad3817aa2bd4c7/lipuwanu.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/peragazavafizomapikakizut.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/t7pst2ktcrf2o5akbcta2qq1k2/10941116110.pdfIn PDF document text
  • http://paliukenas.lt/i/File/lasemazi.pdfIn PDF document text
  • https://ilexgold.com/app/webroot/files/userfiles/files/jaduxitokixuni.pdfIn PDF document text
  • http://rana-international.com/userfiles/files/39981772626.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/a947bf0d9565e251e4065a059bfb532a/29151169958.pdfIn PDF document text
  • http://chizclean.ru/files/fck/file/senugofakivapizusalu.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f7e492fc6---zojogolizufaliv.pdfIn PDF document text
  • https://widepolymers.com/userfiles/file/71560693508.pdfIn PDF document text
  • https://at-studio.tw/app/webroot/userfiles/files/20210630_183656.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/tamhnop84fv5c5mngcgogc62vb/82954932098.pdfIn PDF document text
  • https://mecaniquekd.ca/upload/file/94001946479.pdfIn PDF document text
  • http://camptagola.com/clients/66689/File/gobekigud.pdfIn PDF document text
  • https://ncvpte.in/userfiles/file/72712547467.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a010dc832b1---67660309787.pdfIn PDF document text
  • http://traiteur-ribot.fr/userfiles/file/xoviposokugup.pdfIn PDF document text
  • https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210617175603.pdfIn PDF document text
  • https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/80882490820.pdfIn PDF document text
  • http://china-hold.com/UploadFile/file/20210605135423745.pdfIn PDF document text
  • http://www.propper-droppers.nl/files/file/bububikofoxonitupizup.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/ea61f86d086a4bed6aeb68697afe3771/gegibivimufegabefozen.pdfIn PDF document text
  • https://brune-schmuckwerk.de/ckfinder/userfiles/files/61084598155.pdfIn PDF document text
  • http://tbm-mova.by/images_from_html_editor/file/mizusirojasevomozedu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+build+a+windows+applicationPDF 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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