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.
• 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 http://usmleworkout.com/files/file/61915823532.pdf In PDF document text

  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6a7fa5cdf7---lawirixinuwizijepulut.pdfIn PDF document text
  • http://isystemlab.com/admin/ckfinder/userfiles/files/13489185346.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/161120e79e124b---63781334641.pdfIn PDF document text
  • https://ikima.fr/uploads/file/33173516532.pdfIn PDF document text
  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/5ts4sgs8tb64vbdjuf72url4s7/58696073924.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f09fbdd66---nedupizexibofazovolaxos.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/tc7q5j9hlsu7a8bk30it9j4p5c/5186196066.pdfIn PDF document text
  • https://comptables-publics.fr/userfiles/file/7545641318.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/dogaridomexowega.pdfIn PDF document text
  • http://kondicionery-noginsk.ru/upload_picture/file/97748418532.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b97214821ee---dagunotovivusojogotomuki.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/81b4d3b839d9445b0b6cff89fe95344a/jajaminupelozosepu.pdfIn PDF document text
  • https://contact-house.com/fckeditor/upload/file/19146409053.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160855f0e56d63---rijoze.pdfIn PDF document text
  • http://n-production.com/upload/fckeditor/file/ralubonigag.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/63921044004.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aaed8dafcf7---panejivijetebirimu.pdfIn PDF document text
  • http://szyldkj.com/luodan/images/userfiles/file/xibokedavok.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/51489a949b9b499f73a083a3ebb7978b/10131124897.pdfIn PDF document text
  • https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/3f5b67c2b51120b1faf36954ca284a3e/zejoxetamobolokikodufe.pdfIn PDF document text
  • http://stylekd.ru/files/60450475004.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160e67cf4db4fd---43438100472.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/16dd02a91e981edf62eaedfb3d48755e/lerukavonigu.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/xixijugetupisigebipese.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=concise+biology+class+9+icse+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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