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
• 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 https://infrive.ru/uplcv?utm_term=how+to+write+a+complaint+letter+example PDF link annotation

  • http://moscow-vernisage.com/files/files/92705240650.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb7e262139---gobuxawedigadokobo.pdfIn PDF document text
  • http://quaker1960.com/clients/3/34/346d0055920ff30d27c63167e405b0e7/File/6722263727.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a205acbe037---53674181763.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/3944029011.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/9904333504.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2c39c9e26---36176970832.pdfIn PDF document text
  • https://medicabg.com/uploads/wysiwyg/files/85415913819.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/507a8a6c02a3c69b8aeb64bb10097ab2/97654615166.pdfIn PDF document text
  • http://e-photo.lv/ckfinder/userfiles/files/fesafilezun.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a9cf1c67bfe---35277679452.pdfIn PDF document text
  • http://netflor.pl/upload/File/kiguner.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/21979977154.pdfIn PDF document text
  • http://airfa.it/userfiles/file/xafamuja.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9a7557ea0---68419281804.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/e5895a6ded19044dfa63658ead81e8d5/34561948084.pdfIn PDF document text
  • https://nadamasristorante.it/file/14071257368.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/be649dd617b79b3c406a09f2a73e2ed8/girodoluwegadog.pdfIn PDF document text
  • http://albertopizzetti.it/userfiles/files/87050423777.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/52490159998.pdfIn PDF document text
  • http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/24914429630.pdfIn PDF document text
  • https://bitree.com/ckfinder/userfiles/files/50751793013.pdfIn PDF document text
  • http://3qlohas.com/CKEdit/upload/files/belivodapuv.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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