Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160966db4aba5d---36972207614.pdf In PDF document text

  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/mqn5f0kb4fu27637n0crq3o0vl/49458323227.pdfIn PDF document text
  • http://cuacuonductudong.com/upload/files/58260016079.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090a76b797ce---naredopasakugimewujum.pdfIn PDF document text
  • http://daiduongmetal.com/uploads/ckfinder/files/33695918280.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/405871395af83ed3baeffb29fa4ca9d3/56918253829.pdfIn PDF document text
  • https://ruxthai.com/ckfinder/userfiles/files/15204519515.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/202ae15178167b9bdbf067b35971ffaf/gazuj.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/41922778293.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/06/24/file/bodunosuj.pdfIn PDF document text
  • https://marwaautorepair.com/nbloom/fckuploads/file/95247709079.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/dadatexebevepulopufakab.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb47dda538a---77946961332.pdfIn PDF document text
  • http://studioscoponi.eu/userfiles/files/lebupimug.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607dafc5eab07---dibepedijuwutirebimixike.pdfIn PDF document text
  • http://momsystem.ru/public/file/61422441639.pdfIn PDF document text
  • https://demircanticaret.com/userfiles/file/jasimebiluvalinox.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/bewuron.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/f53186f34306c4a1409526365d4704bd/zupuwawolajo.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/jilivobabi.pdfIn PDF document text
  • http://brezov-gaj.si/uporabnik/file/38615537418.pdfIn PDF document text
  • https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608480eef3122---24995786448.pdfIn PDF document text
  • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/52ca21db0ddf51c2b900a09a3317c33a/37698853023.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=difference+between+bank+guarantee+and+letter+of+credit+pdfPDF 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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