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://allytemp.ru/uplcv?utm_term=pyp+learner+profile+report+card+comments PDF link annotation

  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/a8410fe12fbff1f1573c2b3ab63f8fee/69999971356.pdfIn PDF document text
  • http://espressobuilders.com/app/webroot/files/userfiles/files/99424304807.pdfIn PDF document text
  • https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/wajirogidodosatowusuj.pdfIn PDF document text
  • http://uspeh-kursk.ru/ckfinder/userfiles/files/75815408861.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/wonedadubonasowidovero.pdfIn PDF document text
  • https://rais.bg/uploads/file/54747613913.pdfIn PDF document text
  • https://lotusmarinevn.com/upload/files/96502828859.pdfIn PDF document text
  • http://pop-around.com/file_media/file_image/file/punapixanojerig.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/e375vp0s9slbsktbrehd4f83cf/79510603078.pdfIn PDF document text
  • http://artattack-concerts.de/files/file/25245042924.pdfIn PDF document text
  • http://take114.kr/FileData/ckfinder/files/20211005_FA638F23EB7F2098.pdfIn PDF document text
  • https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/wekas.pdfIn PDF document text
  • http://niengrangchuyensau.com/upload/contentFile/file/85862598592.pdfIn PDF document text
  • https://growyourmoney.in/userfiles/files/50047074705.pdfIn PDF document text
  • https://darshanam.com/ckfinder/userfiles/files/80633629044.pdfIn PDF document text
  • http://www.toptehnik.si/images/86357469327.pdfIn PDF document text
  • http://dragonspond.com/uploads/files/48883155900.pdfIn PDF document text
  • https://dcicz.org/userfiles/file/49300712967.pdfIn PDF document text
  • http://lamorenj.com/userfiles/file/fakamimuton.pdfIn PDF document text
  • https://lesrimaudieres.com/images/uploads/file/memolivibox.pdfIn PDF document text
  • http://wxdyzs.com/userfiles/files/54343473299.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/c22b1cb6576c3f1cbc286609b62cac5c/19732616952.pdfIn PDF document text
  • http://dalieuht.com/app/webroot/uploads/files/48763561668.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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