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.
• 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://promobryansk.ru/userfiles/files/vijujogagotiwip.pdf In PDF document text

  • http://vce34.ru/attachments/file/jugedilamuvolipumosepitum.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/79f1ce85a6c9125fa316248a644af793/70173883488.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16107402e82bd3---vazexelikuxifazezitisobo.pdfIn PDF document text
  • https://nadinerogger.ch/userfiles/files/55706891875.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/relijot.pdfIn PDF document text
  • http://lavalnerina.it/userfiles/file/70666971565.pdfIn PDF document text
  • http://berbun.com/user_img/file/78179422657.pdfIn PDF document text
  • https://prcomponents.com/ckfinder/userfiles/files/62069589924.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/n6l8tjdh9g0ihupgk6tvhgvo15/10002070282.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fad5804008---gaxetegexawatib.pdfIn PDF document text
  • http://xn--3e0b556bhrbowi6undva.com/ckupload/files/59681766541.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b399e4109---mumuko.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bac4ad4717e---vopunokususugifo.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/vobomadovalebapijedosoko.pdfIn PDF document text
  • http://alanaf.ru/userfiles/files/safedimedabomuxu.pdfIn PDF document text
  • https://gizaviation.com/uploads/files/kikujujetuxobudo.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/namokogowikebizuz.pdfIn PDF document text
  • http://grotech.in/userfiles/file/41611649322.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/93067352747.pdfIn PDF document text
  • https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/744ab41e35a2916521f887f9e24ade13/20792063254.pdfIn PDF document text
  • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/8ebda1144a199014f7a2732780b7dbbf/33781425770.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/37783928726.pdfIn PDF document text
  • http://mgtofubbq.com/uploads/files/82226215934.pdfIn PDF document text
  • http://eclickapps.in/userfiles/files/10399340904.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=action+research+in+education+a+practical+guide+pdfPDF link annotation
  • https://orcid.org/0000-0002-6463-0875In 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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