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://crysiq.ru/uplcv?utm_term=how+to+get+free+fortnite+skins+2020 PDF link annotation

  • http://digitalpolicycouncil.com/imagenes/file/fanatasamudubuwajof.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/83285939750.pdfIn PDF document text
  • http://dkmmotor.com/files/userfiles/file/84173292835.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/161319198aac32---bugudixuxoraris.pdfIn PDF document text
  • http://szakkepzosiklos.hu/upload/file/90059565690.pdfIn PDF document text
  • https://www.area-tlc.com/public/ckfinder/userfiles/files/8330253900.pdfIn PDF document text
  • https://markyatirim.com/resimler/files/sufimakar.pdfIn PDF document text
  • https://ln80.cn/filespath/files/20210909083230.pdfIn PDF document text
  • http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/jeluwa.pdfIn PDF document text
  • http://roseeskin.com/userfiles/file/20210913142632.pdfIn PDF document text
  • http://antasboru.com/guvennet/resimlerfiles/28363696966.pdfIn PDF document text
  • https://wangwangcamp.com/uploads/files/202109021657116085.pdfIn PDF document text
  • https://napraforgohotel.hu/upload/file/wugirizosexigebowatavibiw.pdfIn PDF document text
  • https://filetorme.com/upload/files/semuvaduxegupuserunawutup.pdfIn PDF document text
  • https://takarasushimn.com/userfiles/files/tupila.pdfIn PDF document text
  • http://travelcenterpuntos.com/campannas/file/72867419510.pdfIn PDF document text
  • http://aokisuper.com/ckfinder/userfiles/files/44043067809.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16135e80c9dd2a---57349659596.pdfIn PDF document text
  • https://signatureshreyas.in/userfiles/file/gudurivejatajile.pdfIn PDF document text
  • http://phulieumaymacbaoco.com/hinhanh_fckeditor/file/56880409568.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16133ba113394c---guvetazusinovo.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/74381353399.pdfIn PDF document text
  • http://altelaw.com/uploads/image/file/7919582093.pdfIn PDF document text
  • https://spheresignal.com/app/webroot/userfiles/files/13176844418.pdfIn PDF document text
  • https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/wezijalifemigotepave.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/sutubo.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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