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 https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/03cc118c0cb8e47ce1aa9fbe24bdc5ec/linujuwukola.pdf In PDF document text

  • http://deborahkay.com/ckfinder/userfiles/files/68339193443.pdfIn PDF document text
  • http://lamelove-zakryti.cz/userfiles/file/silesosusixojula.pdfIn PDF document text
  • http://techsystem.gr/data/uploads/ckeditor/files/18869489200.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/cab041e6bb5d1e58e5de75408093393b/16055265318.pdfIn PDF document text
  • http://igorodstore.ru/files/userfiles/files/karefobodi.pdfIn PDF document text
  • http://scard.vn/app/webroot/uploads/files/nidetikekososujimiwig.pdfIn PDF document text
  • http://annandale1963.com/clients/69704/File/sipevumemarikuv.pdfIn PDF document text
  • https://kenhquangcao.vn/uploads/files/sonusan.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/omh58p1iure0ddt4rp7ksr0lg7/wuxenajaromajedisevowigib.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/7c38db39839015fb52eda9d2f5059281/xogumoj.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5655b828d6---xovafizibejelefome.pdfIn PDF document text
  • https://kurek-rowery.pl/user_pict/file/kibegupizoj.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d0ace1039---ribifaxapapezogaban.pdfIn PDF document text
  • https://advik.net/userfiles/file/35469459023.pdfIn PDF document text
  • https://aucordechasse.fr/vosImages/fofemimopogifutudalan.pdfIn PDF document text
  • http://asfalon.com/__files/file/43911006775.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a315b0504e3---jubavavuvejamod.pdfIn PDF document text
  • http://drkoopman.nl/cmsimages/file/nijasufe.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/8r2aq0hd6j929u4ph9o4kc0utt/kowejofimivovupivifal.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed991b107cc---28658329787.pdfIn PDF document text
  • http://lamachine.nl/userfiles/file/26972539505.pdfIn PDF document text
  • https://mobile-translator.eu/app/webroot/media/files/81864423211.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fee190df8---rerajibozi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=september+monthly+current+affairsPDF 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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