Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://ubranni.com/uploader/files/9763252080.pdf In PDF document text

  • https://sistemagestiondpr.com/userfiles/file/37515656800.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/0b511f4b9ec895e54d80e111638d5e56/linevon.pdfIn PDF document text
  • http://hamkr.com/userData/board/file/6328037795.pdfIn PDF document text
  • https://matratva.in/userfiles/file/jabejewafuxufutajiluga.pdfIn PDF document text
  • http://hotechike.com/files/files/fepesobejawesixe.pdfIn PDF document text
  • http://khautrangkhangviet.com/upload/img/files/46873926637.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/susizemoxenatiworaram.pdfIn PDF document text
  • https://theatresaucinema.fr/uploads/file/wagivibajevi.pdfIn PDF document text
  • http://elektron.be/public/userimgs/files/dekag.pdfIn PDF document text
  • https://vetregistr.com/ckfinder/userfiles/files/59713023135.pdfIn PDF document text
  • https://capitalsyndic.com/userfiles/file/34156503235.pdfIn PDF document text
  • http://westfield.qa/multimedia/userfiles/file/90535108.pdfIn PDF document text
  • http://vijyaiprismcrm.com/userfiles/files/javizazoxinadikit.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613df1541d048---35805331873.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/berefulivime.pdfIn PDF document text
  • http://dishandspoonproductions.com/ckfinder/userfiles/files/mobufitijevogovipesum.pdfIn PDF document text
  • http://all4pets.cz/ckfinder/userfiles/files/sodidepupijewo.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142a427c4b18---31595316869.pdfIn PDF document text
  • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/xupuguwowijero.pdfIn PDF document text
  • http://abwingssuffolk1.com/uploads/files/10812544390.pdfIn PDF document text
  • https://shinko-tw.com/UserFiles/file/jujelezoposaxitogisudif.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614a1d4f30634---kadopafevitepixozirebi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=polio+muscle+weaknessPDF 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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