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://advance-pack.com/editor_upload/file/23332997777.pdf In PDF document text

  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e711cde8c---92426115900.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/57407048153.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16087713a13f29---69611260049.pdfIn PDF document text
  • http://playbabydoll.com/userfiles/file/25731125063.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/1189533184.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/1ef09e1c83ce4be41ec5cd67f4a992c4/25316943446.pdfIn PDF document text
  • http://score1forspencer.com/clients/4/45/4587145e2679cb7673d0e21b436e5c25/File/9508420723.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5254081274---pokekatexakiwomokevuk.pdfIn PDF document text
  • http://bellina.pl/userfiles/file/pajede.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/80723778496.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/5d92bfc52f827366856a9171218f07f5/46740366049.pdfIn PDF document text
  • http://www.guus.edu.mn/ckfinder/userfiles/files/piwim.pdfIn PDF document text
  • http://gorsilawfirm.com/userfiles/file/53910049567.pdfIn PDF document text
  • http://piqiso.ru/userfiles/file/8632115141.pdfIn PDF document text
  • https://balustrady-metalik.pl/files/sekurusarisosuluke.pdfIn PDF document text
  • http://genarchi.com/data/temp/file/2960227088.pdfIn PDF document text
  • https://retrofitoman.com/ckfinder/userfiles/files/85734644806.pdfIn PDF document text
  • http://dienlanhtruongson.com/upload/files/saninefexewovosusi.pdfIn PDF document text
  • http://denki-shonan.com/uploadsfile/71625781557.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/cb45dee02826dc5656fcbc26be8882d4/nejufipo.pdfIn PDF document text
  • https://regiefranchet.fr/userfiles/files/87187576493.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/cee153e3a3d12377ca188302bfd08a50/13457774201.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=worksheet+power+functions+answer+keyPDF 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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