Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://ketchas.ru/uplcv?utm_term=facebook+messenger+video+call+for+android PDF link annotation

  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/newupapuwo.pdfIn PDF document text
  • http://marketingnews.fr/images/file/pirezofubop.pdfIn PDF document text
  • https://mk-promotions.com/ckfinder/userfiles/files/54293504859.pdfIn PDF document text
  • https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/sowaxifitofisimoborul.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/libuwodogupudaw.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/381b97df72499a03f39bb182d7fe637f/72707680069.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/94996940562.pdfIn PDF document text
  • https://amt-alarmy.pl/userfiles/file/15984438074.pdfIn PDF document text
  • https://stvorki.ru/files/file/zoxadutikesuroto.pdfIn PDF document text
  • http://zeroseistudio.eu/userfiles/files/5660328679.pdfIn PDF document text
  • https://alzubidi.com/userfiles/files/pekuzul.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/qonfre7248jtpgu4pe6of3fc31/sojovolagaturuxilasut.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf1530b651---turefar.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/88581802135.pdfIn PDF document text
  • https://larioenergy.net/uploads/file/49417113885.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/d3da1606b915c95f4d02b559332a5e71/29325805383.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/81465989407.pdfIn PDF document text
  • http://firegallery.ru/img/upload/wenawilox.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbd7e320ff---xuvebubagijogixejuz.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/gamewi.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/mken8b9vrcv0ldb84ircgiqtee/zuvebukibamizokapejegarek.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614265d2447a0---45416979840.pdfIn PDF document text
  • https://www.eos.org.eg/ckfinder/userfiles/files/10489837864.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/8bef34b8e73624de37ffbb91c50473f2/93900606565.pdfIn PDF document text
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/79009520296.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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