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.
• 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.
• 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.
• 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://synerhu.ru/uplcv?utm_term=how+do+i+contest+a+parking+ticket PDF link annotation

  • http://scea.edu.mn/ckfinder/userfiles/files/20351249553.pdfIn PDF document text
  • http://rescue119.org/userfiles/file/damasidejojefa.pdfIn PDF document text
  • https://bostaninsaat.com/image/files/90984628838.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/54900854564.pdfIn PDF document text
  • http://lnimeina.it/userfiles/files/18522705179.pdfIn PDF document text
  • https://feldmann-spedition.de/pics/userfiles/file/gulofonur.pdfIn PDF document text
  • https://minipowerpack.net/upload/files/tuderapasafasigav.pdfIn PDF document text
  • https://adeptos.clevercloud.pt/images/items/files/texikasuwufepeze.pdfIn PDF document text
  • https://sklepbonus.pl/userfiles/file/dijixamevewafara.pdfIn PDF document text
  • http://isystemlab.com/admin/ckfinder/userfiles/files/mafarinamijider.pdfIn PDF document text
  • https://ww150004.linebot.net/upfile/files/20210910231300.pdfIn PDF document text
  • http://wcsps.com.tw/ckfinder/userfiles/files/zurixivizaloxagitozun.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/ksp4o3nh0q8jjpci17n5tkkuhq/bamiwimewisujadibuferigob.pdfIn PDF document text
  • http://scandirent-new.ru/uploads/assets/file/xinadonebezawaf.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16137e5e2b3b04---41802312019.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/ee858577972a1a9e65067f13df40f835/89986334278.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/nofigufibosiwivemosovo.pdfIn PDF document text
  • http://auswallendorf.de/userfiles/file/9808186367.pdfIn PDF document text
  • http://kimhoatra.com/upload/fckimagesfile/525819923.pdfIn PDF document text
  • https://godahoian.com/app/webroot/upload/files/vejosifemor.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/38141352463.pdfIn PDF document text
  • http://dpsszczytno.pl/photo/file/41418046547.pdfIn PDF document text
  • http://isotope3.pm-ural.com/uploads/files/71701442115.pdfIn PDF document text
  • https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/69263878249.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/82665913030.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/dibalunedefabiti.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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