Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://cructi.ru/uplcv?utm_term=stickers+line+android PDF link annotation

  • https://kamhosting.nl/ckfinder/userfiles/files/60724141193.pdfIn PDF document text
  • http://mayjack.com/upload/files/lotedasovebiguvipetese.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613598877512f---logivavajarizal.pdfIn PDF document text
  • http://www.rajpuc.pl/pics/file/28665510746.pdfIn PDF document text
  • https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/89127635350.pdfIn PDF document text
  • https://yenicekentkaplicasi.com/userfiles/file/95804486292.pdfIn PDF document text
  • https://iuoshili.com/upload/users/files/zelezuvurugibura.pdfIn PDF document text
  • http://daearesort.com/FileData/ckfinder/files/20210903_2A334129B9EFDA30.pdfIn PDF document text
  • http://kuresi-kaitori.com/upload/content_pic/files/15399357742.pdfIn PDF document text
  • https://alpinebadmintonacademy.com/ckfinder/userfiles/files/61194744778.pdfIn PDF document text
  • https://bk.knu.ac.kr/ckfinder/userfiles/files/rogurigakavimaxafaroke.pdfIn PDF document text
  • http://interface-referencement.com/userfiles/file/jajoxulokubi.pdfIn PDF document text
  • https://mywayrtk.com/userfiles/file/20648486823.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/cd1e881fd0a7c6b0ee84e41c527a68ba/91931460414.pdfIn PDF document text
  • http://www.gyndoktors.de/ckfinder/userfiles/files/dorijumukijerawijute.pdfIn PDF document text
  • https://medosojewellery.com/userfiles/files/32386280997.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/572b1532faaebc58aa8f37a9f267410d/58521461295.pdfIn PDF document text
  • http://jungvassar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bapukegipi.pdfIn PDF document text
  • https://ka-base.no/images_content/file/rotipawabimunidu.pdfIn PDF document text
  • https://100tmt.com/uploadimage/files/20210907034619.pdfIn PDF document text
  • https://happycondo.leaddeehub.com/userfiles/files/19422090772.pdfIn PDF document text
  • http://apnschool.in/singhania/downloads/file/12204526188.pdfIn PDF document text
  • http://websurin.net/UserFiles/File/tozumanupavoxekuzeg.pdfIn PDF document text
  • https://unitedpetexpress.unitedreloth.com/ckfinder/userfiles/files/15283969943.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/51d2cba93819f14a3e8eac02cae110ac/74696155135.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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