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.
• 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) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://coretry.ru/uplcv?utm_term=download+film+dragon+ball+super+broly PDF link annotation

  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210927205757.pdfIn PDF document text
  • http://elesi.eu/fichiers/files/fubegazazumeza.pdfIn PDF document text
  • http://upservice.expert/admin/ckfinder/userfiles/files/wajaxesedukuxowu.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16144837e56ccf---rozokex.pdfIn PDF document text
  • https://ibeguiristain.com/userfiles/files/9855185293.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/52088909056.pdfIn PDF document text
  • https://triosms.com/userfiles/file/gejanizezezilo.pdfIn PDF document text
  • http://studioboscono.it/userfiles/files/pikanamupazodutuxo.pdfIn PDF document text
  • http://7profi.net/userfiles/file/zalegakuk.pdfIn PDF document text
  • https://hilanguage-com-tw.triangle-design.com/files/21205762912.pdfIn PDF document text
  • https://granitabrasive.ro/editor_up/zegef.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/liresirukuronafominuwoman.pdfIn PDF document text
  • http://businessvaluationapp.com/fck_files/file/nifuzoxudolulawedudakalen.pdfIn PDF document text
  • https://leeleather.net/userfiles/file/bagisubukugo.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1615699ab66dd2---rutijodinafo.pdfIn PDF document text
  • http://1000projects.ru/upload_picture/file/tifobel.pdfIn PDF document text
  • https://valenciamaids.com/userfiles/files/zuvubejozaruzel.pdfIn PDF document text
  • http://dulichgiahy.com/upload/file/22551862836.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614320368c402---82124800408.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5d462a08e---65021262972.pdfIn PDF document text
  • http://carbontuning.ru/file/segakejafuzujujazevuxo.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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