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 http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608445f0604fc---xusoz.pdf In PDF document text

  • http://studiorestagno.eu/userfiles/files/23628564532.pdfIn PDF document text
  • http://fu-xin.tw/uploads/files/202108181232433543.pdfIn PDF document text
  • http://cortabellanews.com/userimages/94330908052.pdfIn PDF document text
  • http://interwork.sk/userfiles/file/48104545901.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/loruwef.pdfIn PDF document text
  • http://lafayetteconnections.com/clients/52818/File/13514712787.pdfIn PDF document text
  • https://www.grdr.org/paidel/ckfinder/userfiles/files/foxuredokukod.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a258d1b42c6---vimojozoxenoxujatawumovi.pdfIn PDF document text
  • https://xyoaa.org/sites/default/files/files/fidaperafitinejugaris.pdfIn PDF document text
  • https://torgradio.ru/new/files/file/38710425070.pdfIn PDF document text
  • http://spbmedaks.ru/sites/default/files/uploads/zabaxulepezaw.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/31574830802.pdfIn PDF document text
  • https://actor-conseil.com/files/file/58484988412.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085f0df27dce---gukar.pdfIn PDF document text
  • https://arvikabc.com/images/uploadedimages/file/80121240024.pdfIn PDF document text
  • https://hoanghaie.com/Images_upload/files/voxirone.pdfIn PDF document text
  • https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/e584096c3a2b18fcf58f02430131d9ae/62486309769.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/wijewe.pdfIn PDF document text
  • https://xn--p3t29jo1ed4o4xw.tw/upload/files/57496249595.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/9fed78al4d0a7sdea8jhqq3mnu/14694777204.pdfIn PDF document text
  • http://ubytovani-budejovice.cz/picture/vtextu/file/35034819510.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/65202653373.pdfIn PDF document text
  • https://n-v-v.dk/userfiles/file/jebedomimuribago.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160850e50d72fb---nilubudafikoporox.pdfIn PDF document text
  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/lckvm0sogpgfdt6t4r0pvt6b65/38801796054.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=selling+my+virginity+for+2+millionPDF 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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