Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://smidgel.ru/uplcv?utm_term=twitter+android+apps+free+download PDF link annotation

  • https://eletmodguru.hu/files/files/34568047880.pdfIn PDF document text
  • http://digilit.ir/basefile/digilitir/files/9507942872.pdfIn PDF document text
  • http://jngf.cn/files/file/domowugasumun.pdfIn PDF document text
  • http://kalkulacka-hypo.cz/userfiles/files/64084308701.pdfIn PDF document text
  • http://ueros.fr/admin/ckfinder/userfiles/files/nikakexirenutujuvokaw.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c47c91c7ed---wifuwubokezikixo.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383a7c9f685---puzuzofonoxeto.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/masowedigufigiwi.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/suvabonafiv.pdfIn PDF document text
  • http://swiss-ex.com/images/blog/file/55159578431.pdfIn PDF document text
  • http://interface-referencement.com/userfiles/file/74472308929.pdfIn PDF document text
  • http://nicenpos.com/userData/board/file/bukewirefidixitekip.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/davilaxikunelefak.pdfIn PDF document text
  • https://b7b.reviewz.eu/app/webroot/files/userfiles/files/54463613278.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/guu0uoclvv8kng5095jnmkbj61/86277857384.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/aa0561c6a3cade22491c8364739d4c37/7185246113.pdfIn PDF document text
  • https://ku4ysk-9lgp4y.com/contents/files/fuvebexofakuwamiv.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/c579ec3c5655ad5b01b0657f8e4a9962/83731678695.pdfIn PDF document text
  • http://kowel.com/ckfinder/userfiles/files/1631361141.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/gojegavilokexiri.pdfIn PDF document text
  • http://saraiaser.nl/userfiles/file/guvulufef.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130944697de6---wixerinef.pdfIn PDF document text
  • https://ph2020.org/ckfinder/userfiles/files/sefulejupokujefa.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613491a4c04e7---vofajemolipokojomemovapu.pdfIn PDF document text
  • http://dagmar-e.de/userfiles/file/5024529880.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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