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.
• 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
• 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://chcial.ru/uplcv?utm_term=100+aptitude+questions+and+answers+for+freshers PDF link annotation

  • http://therealmccoyfamilyreunion.com/clients/f/f9/f9ea119420dddc0cc5ac7622830b9f68/File/kopinewimeme.pdfIn PDF document text
  • https://gmnavarra.es/ckeditor/files/50602205187.pdfIn PDF document text
  • http://washchienluoc.com/upload/file/ridajulivufetomonuvibema.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7022bf695---18212604824.pdfIn PDF document text
  • http://jubileejec.com/userfiles/files/37889252540.pdfIn PDF document text
  • http://boletin.alicantehosteleria.com/lib/ckfinder/userfiles/files/21596124845.pdfIn PDF document text
  • http://karat-dobremiasto.pl/userfiles/file/66418494449.pdfIn PDF document text
  • http://wwstationery.com/files/file/xejit.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160706b1553e71---zagedagek.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cccb7ed1284---52509108039.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/63243042565.pdfIn PDF document text
  • http://booklandbooks.com/userfiles/file/reririzarefatuvapeza.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/3d8dc118a1f9c690c41e3ee48f7d3811/53783229369.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/80573670108.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/dawaradaxasifuwowuzasepo.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/46618157180.pdfIn PDF document text
  • http://dajuicebarus.com/uploads/files/wijibi.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/bbf1197cfdc69146c25ca236da967570/14088361113.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/wizijisinusebifubejusi.pdfIn PDF document text
  • http://tochuchoinghi.org/files/22975743127.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/e43dc861b17136070dd93b5b5bd1e6f0/gefuxojavaramedap.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610b004629b63---54784482503.pdfIn PDF document text
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/21c8b23197ceb7bb14271bf4ecc008f6/94305768679.pdfIn PDF document text
  • https://aldurra.ly/images-editeur/img/file/sipajujag.pdfIn PDF document text
  • 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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