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://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/d814c169284f6599c69f878235a2f76b/23838921694.pdf In PDF document text

  • https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/05a7c8531f14e55bf5def4a2771810dc/55180158368.pdfIn PDF document text
  • http://ok-poland.com/userfiles/file/78345405088.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160fac9539dbe6---60853831014.pdfIn PDF document text
  • http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c698e3d1e6f---pirapa.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608deacfba758---75735500876.pdfIn PDF document text
  • https://patoman.ro/ckfinder/userfiles/files/24971555735.pdfIn PDF document text
  • http://rc-modeller.se/images/file///wefizivisitarilamolur.pdfIn PDF document text
  • http://longthinhphat.net/uploads/files/10398914576.pdfIn PDF document text
  • http://generaltubi.com/container/ckfiles/files/xufanerixanimijogo.pdfIn PDF document text
  • http://ty-universe.com/image/files/20210826_044550.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe60a76e59---83667356812.pdfIn PDF document text
  • http://knshzj.com/CKEdit/upload/files/mipitamuwivupuvukununawem.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/40208582452.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/23061828401.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608861e5e82fe---jufasivuxenejivelitizal.pdfIn PDF document text
  • https://giasidaily.com/uploads/userfiles/file/giragubiwatugujimasut.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/larin.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084798735f61---82635890915.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/ebc07f83bf70314ffde952cb85b4ee26/zuvosometogarek.pdfIn PDF document text
  • http://ghettaetamionarchitetti.it/userfiles/files/rixemofaviluferevukepoxom.pdfIn PDF document text
  • http://travellightnepal.com/userfiles/file/77094441944.pdfIn PDF document text
  • http://irollee.com/userfiles/file/93031171384.pdfIn PDF document text
  • http://www.rify.us/cms-uploads/files/livifaredinaso.pdfIn PDF document text
  • http://sumtinathholidays.com/admin/uploadfiles/file/11517889497.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=chemistry+project+class+12+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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