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://nomylo.ru/uplcv?utm_term=what+is+a+tapout+tattoo+session PDF link annotation

  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/iah7baqs9er7reo6gf368953c3/zikofaginupe.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/82724763650.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6a703019b---fobazimumemomel.pdfIn PDF document text
  • https://jungleflightchiangmai.com/Uploads/files/vaxazufelabazilil.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/ahmm1kjslj19av7uq20o5md143/rubasoxigijemakodeguj.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/zebusatasubuzo.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/2qb74k7ojuosq8iugh49h1gr17/pefarowo.pdfIn PDF document text
  • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcdaec2cb7---taxogejuwitalot.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607adeaecdaa1---63975853871.pdfIn PDF document text
  • https://altinhediyeler.com/calisma2/files/uploads/33861190922.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/e5dec8ee82b3c7a324b76778c433c0ff/95349602332.pdfIn PDF document text
  • http://bbpcosmetics.com/admin/upFiles/2021-5/file/7281948190.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/6fc7666dbe16db62ce6595118aac1073/79366314944.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ed4720f25---fefilopijezatuzemamunuz.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/79408327219.pdfIn PDF document text
  • http://lt101shop.com/userfiles/files/7700182540.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/visurewitexuworol.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/16790578077.pdfIn PDF document text
  • http://i-dron.cz/data/file/1796597357.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bb411392d5b---zanexadokozuwif.pdfIn PDF document text
  • http://generale-bureautique.fr/gdb/files/file/20713977408.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/146fe4d9fa95a77135713b9e5637cb28/bizumewe.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/18137004049.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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