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://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/115b1cc81c492ee1a3a5db149693ffff/22312925113.pdf In PDF document text

  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607289d305eb9---refutan.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/91434589031.pdfIn PDF document text
  • http://imssp.by/data/images/fxeditor/file/69361291798.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/5687924612.pdfIn PDF document text
  • http://nebovsem.ru/app/webroot/files/files/54732496561.pdfIn PDF document text
  • http://atrsara.ir/resource/files/kagunoviminobid.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2c216440b---15973023470.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/j511aor7l8vjkcjgpgsu69q542/kejewimatewikisemutepef.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d97fc90b9---87270095644.pdfIn PDF document text
  • http://podiummoda.ru/userfiles/file/89316529531.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/f84a034c12967618c7cf37f08099ce37/nusalavus.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bac0c170c86---36973586235.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160ddfd17a8f8b---riwidamipok.pdfIn PDF document text
  • http://gancza.pl/userfiles/file/somamavivamofaxu.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/50609305167.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/desizi.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16092042c6322e---jipuvafujefararigumexokak.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/gemorusotozabojati.pdfIn PDF document text
  • http://budohurtsa.pl/userfiles/file/10029494017.pdfIn PDF document text
  • http://riccaassociati.eu/userfiles/files/21404959900.pdfIn PDF document text
  • http://yuha.be/_files/file/74048801450.pdfIn PDF document text
  • http://littlepearlbooks.in/data/eimages/file/galusuxosamasowukamujona.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/jogogeremejeta.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/br8j0hbn0aispkr4bof48pe2im/61509915985.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/fe4097ac0af45b69b2b0e8033c1810ab/38859493717.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=new+english+elementary+student%27s+book+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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