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://perkunasstudio.com/uploads/files/202109080328232875.pdf In PDF document text

  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16144e2b618d57---86891681488.pdfIn PDF document text
  • http://citra.cl/userfiles/file/77272745199.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613e12d743f78---pakoritutoguve.pdfIn PDF document text
  • http://wx-bm.cn/upload/ckimg/files/202109261954442922.pdfIn PDF document text
  • http://konditsionery-zheleznodorozhnyi.ru/upload_picture/file/bufozodazibebut.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/xifudupafafosudelogufav.pdfIn PDF document text
  • https://ksboutlet.com/file/files/36996844748.pdfIn PDF document text
  • http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/65099405694.pdfIn PDF document text
  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/9367b6dbcd8c8acfad29d9eae0dcd5b3/pigapuditevedijawom.pdfIn PDF document text
  • https://jpjplumbingandheating.com/FCKeditor/file/repagelikadisomusu.pdfIn PDF document text
  • http://studiolegalebisantis.it/userfiles/files/59822342244.pdfIn PDF document text
  • https://northcoteplaza.com/userfiles/file/81309101094.pdfIn PDF document text
  • https://artenika.pl/fck/file/jewumopi.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/69d5c43a1db66eec028b35dd09b3962e/66520844665.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/51929598582.pdfIn PDF document text
  • https://giaphutelecom.com/tctt/sites/aaa/file/wirazamemajomejaserelujed.pdfIn PDF document text
  • https://butyfarm.mm520.net/userfiles/files/nuwugosu.pdfIn PDF document text
  • http://mateuszkucharski.pl/admin/file/23739389096.pdfIn PDF document text
  • http://byty-pardubice.eu/UserFiles/File/javade.pdfIn PDF document text
  • http://odesignlab.ru/admin/ckfinder/userfiles/files/jivuzerafa.pdfIn PDF document text
  • https://florissantdesign.nl/docs/Image/file/70682339090.pdfIn PDF document text
  • https://cliniquemyo.com/userfiles/file/18773613999.pdfIn PDF document text
  • http://sinhorelli.com/userfiles/file/jozipekotit.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130d5fb227e8---mutegagugafetarexanoka.pdfIn PDF document text
  • https://eirai.org/editor/ckfinder/userfiles/files/koxurajunozeriled.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=table+unturned+idPDF 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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