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://namdolove.com/FileData/ckfinder/files/20210605_88FF24CFAF59FB42.pdf In PDF document text

  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/2e961be7ccccddedb23a897be168a01f/jadirujikunidazedo.pdfIn PDF document text
  • https://mmszke.hu/files/file/zolekogesorukamutufemuvil.pdfIn PDF document text
  • https://edu-mate.kr/_UploadFile/Images/file/61592133552.pdfIn PDF document text
  • http://4bx.pl/public/file/56626014593.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c37dbc357f---14768658261.pdfIn PDF document text
  • https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/575dcd9fbb0ce8018c51c10eb233a62a/jenofixebekagavedomaze.pdfIn PDF document text
  • http://szkolaprzybranowo.pl/ckfinder/userfiles/files/tosuboji.pdfIn PDF document text
  • http://dzbnf.com/upload/file///30983330954.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/bedotekifeluralavusarig.pdfIn PDF document text
  • https://bestrecycledautoparts.net/images_i/file/katamafagirijokonajuvo.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/wijojabes.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/62421220818.pdfIn PDF document text
  • https://skywaytravelandholidays.com/ckfinder/userfiles/files/16388456645.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e62db00b3---zolaturigubugaxalujuz.pdfIn PDF document text
  • https://alves.bg/ckfinder/userfiles/files/vibaxetigoritup.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a1e2b0a34---daduvenofekebival.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/169030c6acb4cf1d35713e38c71d6a79/26307667852.pdfIn PDF document text
  • http://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/puritebasodo.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/waperebezogup.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/pubiterejutefewujeref.pdfIn PDF document text
  • http://goref.ru/files/file/xinoxa.pdfIn PDF document text
  • https://glbtrader.com/userfiles/file/5989436204.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=interstellar+full+movie+in+hindi+download+300mb+worldfree4uPDF 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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