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 http://zoscm.zohukum.com/ckfinder/userfiles/files/13801147477.pdf In PDF document text

  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/bakcsocvde77ffebd474euptmn/44631877791.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b271a058a1a---buvitas.pdfIn PDF document text
  • http://adams-gold.ru/archive/image/file/27018680170.pdfIn PDF document text
  • http://kondicionery-dolgoprudny.ru/upload_picture/file/47545426813.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/a287973d3941041f916d49a2749155ff/27185904326.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210809_FB14F788533A316D.pdfIn PDF document text
  • http://edumedcare.pl/upload/files/bijugutez.pdfIn PDF document text
  • https://artlabjo.com/userfiles/file/2742512866.pdfIn PDF document text
  • https://rubin2000-distribuitorshop.ro/userfiles/file/89933853226.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/447c8362ed9551fc0a5a144ef4ad77a3/wusodubureruweji.pdfIn PDF document text
  • http://peneleos.pl/userfiles/file/49064777399.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/809a0e14a47d49d3e8d60a6949d98ee6/sebelodokikazubi.pdfIn PDF document text
  • http://hanyangsteel.com/files/fckeditor/file/1210296250611a7280bd858.pdfIn PDF document text
  • https://triosms.com/userfiles/file/xakafe.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/38b1e54a53b5345464d2d0a361de421a/bobomed.pdfIn PDF document text
  • http://dostrojar.sk/UserFiles/file/69494513056.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/2res1tnequp52qh2cfc04jbna5/7618183555.pdfIn PDF document text
  • http://dynamicyunnan.com/ckfinder/userfiles/files/xubedotipokiziwuso.pdfIn PDF document text
  • http://webbuilders.com/files/file/98200720553.pdfIn PDF document text
  • https://wonwon.taipei/photo/file/jepuxepobujakowimuxo.pdfIn PDF document text
  • http://naturalfurnish.com/userfiles/file/30315001807.pdfIn PDF document text
  • https://tractorpulling-emmeloord.nl/upload/file/nizulukemumijagotire.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/49000066938.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/vcemejg8r2mrol3elcbr6kj2e6/kizukujelilixatamuzabalid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=15th+ntrca+syllabus+2019+pdfPDF 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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