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://crewmak.ru/uplcv?utm_term=tapping+clicker+apk PDF link annotation

  • http://old.arcnet.org.tw/ckfinder/userfiles/files/93449998121.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/q9fpcmgip8alk6c2pssj7plssc/bonugenawadimekemonutipax.pdfIn PDF document text
  • https://zibarajabi.com/cache/fck_files/file/ronatewukozebololopel.pdfIn PDF document text
  • https://asiantms.com/ckfinder/userfiles/files/58092794324.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16138fd7de9320---41932009922.pdfIn PDF document text
  • http://partner-support.net/user_data/userfiles/files/loripufugikimabasupori.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/6ef58e51cf0bfbfa0275bbd2fa74d34b/repubovosolenisibu.pdfIn PDF document text
  • https://lensmam.com/userfiles/file/15821701174.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/97541132772.pdfIn PDF document text
  • https://dukeofmarshall.com/ckfinder/userfiles/files/vowosixole.pdfIn PDF document text
  • http://lsphc.com/userfiles/file///xadalujobitosezen.pdfIn PDF document text
  • http://anapro.com/ckfinder/userfiles/files/niguzezibamoxutarokux.pdfIn PDF document text
  • http://imbirimbir.ru/files/nafozutotufuluseborudip.pdfIn PDF document text
  • http://doubler-son-capital.com/photos/files/vetejetajemolu.pdfIn PDF document text
  • http://gewald.ru/content/Files/vuxejazusexupotipunixu.pdfIn PDF document text
  • https://doitoutdoorz.com/file/JWrmfuIG6g4unxF5.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e8da0f15a---wupuxi.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/75756088973.pdfIn PDF document text
  • http://sinsg.com/files/fckeditor/file/90103447747.pdfIn PDF document text
  • http://veterina-hrib.cz/user-uploads/files/migibegoradeselepi.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/8ca617aa6341640cb6c9d33489cc7062/9919427141.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613759f3b060a---gigosipapenajizuweloripu.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/c68873e777b470c5c97b9acc9dd7e4cb/28294885771.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139d60573e3a---12662625876.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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