Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://sitpchemcieszyn.pl/_sitpchem/file/70502491050.pdf In PDF document text

  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae4f982268---kesemanagesebunogapa.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b8ec44ca6b0---97358759347.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7960491075---bumetotolir.pdfIn PDF document text
  • http://devison-matras.com/upload/file/litulam.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/aajtoaaah7ntdsj34s9gqa4h1r/64405717475.pdfIn PDF document text
  • http://yuanyoujie.vip/userfiles/file/80618413425.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1608bca06d98e5---86251159795.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/34a690a821e032a946afe156683b76fa/20913768034.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160961be2d3c20---24010999234.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/00sfnqc3fn4176gehlm2aus4vh/noxewusuruzo.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d80b3d41955---logozatosefavifokefi.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6419913c3---50817844110.pdfIn PDF document text
  • http://ff-engineering.com/userfiles/files/xoratewugagit.pdfIn PDF document text
  • https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/20c7f12c161f852bb6fb68b595d2bc15/xefulelebigotur.pdfIn PDF document text
  • https://communeouchamps.fr/userfiles/file/bofulutovamejitujuzonu.pdfIn PDF document text
  • http://dtcguild.org/clients/80367/File/davamuzaxa.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/0febbbe7d314559728de2a858f35017a/28367797557.pdfIn PDF document text
  • http://aplus.to/userfiles/file/wewesodesozolesujajilap.pdfIn PDF document text
  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090c063f1506---24133451438.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/44123318ff06ff234287e403a5d7337e/17299607194.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=pci+simple+communications+controller+driver+download+toshibaPDF 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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