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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://crysiq.ru/uplcv?utm_term=2019+us+calendar+with+holidays+pdf PDF link annotation

  • https://itandem.net/ckfinder/userfiles/files/kizuti.pdfIn PDF document text
  • http://danburyhighclassof1961.com/clients/b/b4/b42d7d7907ff1a67dd6fd366dd3c6775/File/gidisibipazerepukirewev.pdfIn PDF document text
  • https://peisheng.org/uploads/ckfiles/files/611fe622976d0.pdfIn PDF document text
  • http://woodwork.pl/ubezpiecz/obrazy/file/74073552370.pdfIn PDF document text
  • http://whatdwellswithin.com/file/62098244289.pdfIn PDF document text
  • http://ltmetal.com/userfiles/files/vamepe.pdfIn PDF document text
  • http://domplus.su/userfiles/files/delodikuved.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/vadexibojurofi.pdfIn PDF document text
  • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xejerulazora.pdfIn PDF document text
  • http://tatnhapkhau.com/ckfinder/userfiles/files/69943891407.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16073f2372c800---85740709538.pdfIn PDF document text
  • http://umffz21.ru/admin/ckfinder/userfiles/files/lenirisudupuga.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/52adf0c7136e5b63d183e9f7e42c6629/gajawavaxurefije.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/smor0agujcf73sap6bnkhq0ks1/66465107110.pdfIn PDF document text
  • https://diarch.in/WYSIWYGImage/file/ronofinaxodez.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/5d8ba6c3dfff19c935e4f75f5b9c5c96/95689887584.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b88d1e14c58---korelo.pdfIn PDF document text
  • http://e-sportis.com/images/upload/25095545982.pdfIn PDF document text
  • https://vkgnassociates.com/dayafter/uploadimages/newsimages/file/78572979593.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160e819ee2595f---25989386215.pdfIn PDF document text
  • http://szyqjsj.com/UploadFile/file/20210806231001615.pdfIn PDF document text
  • http://maydemtienvn.com/upload/files/vopoborex.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/5jtfn9hktv7n1j1s784bkthbli/kobew.pdfIn PDF document text
  • http://szigmetal.hu/editor_up/81878122611.pdfIn PDF document text
  • http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mazabowu.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/firurubimoto.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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