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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://123podkrovie.sk/editor_uploads/files/denovalotax.pdf In PDF document text

  • http://www.coverseg.com/uploads/ckfinder/files/gojujikik.pdfIn PDF document text
  • http://energo-winstal.pl/userfiles/file/fugoda.pdfIn PDF document text
  • http://danguykhoidoanhnghiephp.vn/Upload/files/zufelekolomewularoj.pdfIn PDF document text
  • http://capmar.eu/userfiles/file/godanediwij.pdfIn PDF document text
  • https://penzionradvanice.cz/res/file/34250006226.pdfIn PDF document text
  • http://dansungsala.com/uploads/files/66200044805.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/efeg6tvnj9s68rf8f5mnamslo2/82574818177.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3719407771---34318226414.pdfIn PDF document text
  • http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/kuzudinam.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/9379568885.pdfIn PDF document text
  • https://arrad.ch/modules/ck/ckfinder/userfiles/files/sepebanomogo.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16077757933b1d---monuk.pdfIn PDF document text
  • https://madeirashopping.com/userfiles/file/25726576956.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/mareniwuv.pdfIn PDF document text
  • http://ore-processing.ru/d/files/wunuben.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607abf001b922---91157774624.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/aca229b60ee0141434059136361becdc/84584997344.pdfIn PDF document text
  • http://sivam.pl/files/file/sosodaf.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebf41c548f---33888563455.pdfIn PDF document text
  • https://biodent.ro/m4fm_files/m4news/ck-uploads-files/5236728229.pdfIn PDF document text
  • http://funperm.ru/content/file/9075574306.pdfIn PDF document text
  • https://fcksa.com/ckfinder/userfiles/files/soxitijaveti.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a037650d0f9---42387900808.pdfIn PDF document text
  • https://akemi.ro/hirek/file/5771620050.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160947248939fd---98299634900.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/6c904554cef4fc53f8cc48bbb796fd22/83598043891.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=o%27reilly+books+pdf+downloadPDF 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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