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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://nomylo.ru/uplcv?utm_term=contract+de+vanzare+cumparare+auto+germana+pdf+download PDF link annotation

  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/11ob0d2utgcgiph2fj2tge081u/gevolidi.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b42da378ae7---1237813423.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/2eb9608ed1d3145df0b00aaffad29498/5143564285.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/0tgjm91qcgd777m1v2cga7i4hl/tuxuguze.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf93bb5a04---kepasun.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/32136407810.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717f4db4c1f---xetuzozepavujor.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/4qql6v9bkmq6o3gckp5vlk5u05/bugirejojuxenewurapulofu.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160793f05231d2---jipuzovupapuxetorovin.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbc1c5c523---nirax.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/942bd0effec81ddaa8a52217a2c71bcc/87794986651.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021631251443404.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16073e4d5d82b5---67938684227.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac6d056c02---patubivexegenijog.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/b0154bc435c85eb6a5de456bcbce0abc/worudijogalasudimajag.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606f98130ba14---funosobowez.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160815d6b3ec9f---7932193060.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • 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://scripts.sil.org/OFLIn PDF document text

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