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 http://kvarkeno56.ru/userfiles/file/24304966203.pdf In PDF document text

  • http://zabradli-znerezu.cz/userfiles/file/nuvutanoposaxirebu.pdfIn PDF document text
  • http://mamnonkitty.com/webroot/img/posts/files/8347205226.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210918040907.pdfIn PDF document text
  • https://audreyheselmans.com/_files/file/lapifimodogozuxadozurexo.pdfIn PDF document text
  • http://lenosada.sk/editor_uploads/files/8459497824.pdfIn PDF document text
  • http://fantalife.nl/userfiles/file/67577092960.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132221d1cdd8---45732031179.pdfIn PDF document text
  • https://anbc31.iscriptscloud.com/app/webroot/files/file/2396651828.pdfIn PDF document text
  • http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39825534326.pdfIn PDF document text
  • http://austral-immo.com/userfiles/files/92707225310.pdfIn PDF document text
  • http://yokohama-model.com/userfiles/files/20497061356.pdfIn PDF document text
  • http://alkanboya.com/files/file///45032931127.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359edbb1d89---femidojovobidudasumuxip.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/fotijanemewolu.pdfIn PDF document text
  • http://thesei.com/In PDF document text
  • https://mobilaide.com/upload/editor/file/47244338569.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/nokasupisanapokewekobupo.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423196dd947---lawilozew.pdfIn PDF document text
  • http://vagtteam.com/userfiles/Files/sabakozodu.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161430568c09d9---52164252845.pdfIn PDF document text
  • http://digjamaica.com/app/webroot/files/96583740799.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/16727776.pdfIn PDF document text
  • http://phucuongplus.com/upload/files/37330611094.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/pizujibasaxorefumiforaxi.pdfIn PDF document text
  • http://elosc.com/upFile/file///ITX202109021358581724.pdfIn PDF document text
  • http://textstricker.de/benutzerdateien/57538022374.pdfIn PDF document text
  • https://hsse.hssanesteban.cl/files/76388790006.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=best+phone+price+in+bdPDF 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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