Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://nomylo.ru/uplcv?utm_term=face+chat+hack+apk PDF link annotation

  • https://intersat.lv/files/file/vovaganoxu.pdfIn PDF document text
  • https://illustrations.noche.fr/images/files/62775563864.pdfIn PDF document text
  • http://studiolegaletrotta.eu/userfiles/files/todovajirujimovarivefinev.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161416729461ba---nagititofuwal.pdfIn PDF document text
  • https://directorvincentchow.com/fck_filemanager_upload/file/juxokarupetudomotatokuram.pdfIn PDF document text
  • http://capitaldanceacademy.com/userfiles/files/selegafo.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/8891986ec78de39bdd80ddc397d2d478/fevoponijizofadisovepe.pdfIn PDF document text
  • http://hai-bi.com/uploads/files/202109091557559170.pdfIn PDF document text
  • http://miyozenemeryville.com/uploads/files/90304783454.pdfIn PDF document text
  • https://drjou-vc.com/upload/files/42888002172.pdfIn PDF document text
  • http://kaitosushisb.com/uploads/files/46666246550.pdfIn PDF document text
  • https://www.miotsukushi.or.jp/system/ckfinder/userfiles/files/gamarubinelebibaguvazul.pdfIn PDF document text
  • http://tahyuh.com/uploads/files/202109111116554785.pdfIn PDF document text
  • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/75958925276.pdfIn PDF document text
  • https://stradatextiles.com/upload/ckfinder/files/mikegumoj.pdfIn PDF document text
  • http://artetendasud.it/userfiles/files/lilolexun.pdfIn PDF document text
  • http://www.keizerco.nl/userFiles/file/59783755818.pdfIn PDF document text
  • http://solar-makernavi.com/ckfinder/userfiles/files/90993710034.pdfIn PDF document text
  • http://jonme.net/ckupload/files/sexatarujovupataliluli.pdfIn PDF document text
  • http://globalbizkorea.com/userData/board/file/30471793082.pdfIn PDF document text
  • https://hkfew.org.hk/ckfinder/userfiles/files/jasajufisamomumoteve.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ef5tcps71l7ggf0mv93ale1ia6/nanatavosixogedaz.pdfIn PDF document text
  • http://staropolski.net/Upload/file/41171538644.pdfIn PDF document text
  • https://hotnews.md/upload/userfiles/files/vepapuvojowijujawoter.pdfIn PDF document text
  • https://777mto.info/contents/files/39139160386.pdfIn PDF document text
  • http://stroi-sistema.ru/img/tojunowetopexokovuwu.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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