Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://inwebjor.ru/uplcv?utm_term=audiomack+apk+premium+android PDF link annotation

  • http://yacpa.org/yacpafiles/file/52381382310.pdfIn PDF document text
  • http://niengrangchuyensau.com/upload/contentFile/file/70340378798.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613865b8c0655---xijafizogukavas.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613835e27d06d---4885300434.pdfIn PDF document text
  • http://bud-med.eu/userfiles/file/fududitazuwowuwutanul.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/9000985982.pdfIn PDF document text
  • https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/mawenigi.pdfIn PDF document text
  • http://chiangmai-esc.net/user_img/files/jufakupamuwonanajibewura.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/73808907262.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135d99f8aab7---mefodapetajonip.pdfIn PDF document text
  • https://marwaautorepair.com/nbloom/fckuploads/file/74286271390.pdfIn PDF document text
  • https://swalaya.in/userfiles/file/17508563959.pdfIn PDF document text
  • http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/49462085601.pdfIn PDF document text
  • https://barcelonacentromedico.es/files/galeria/files/sipobem.pdfIn PDF document text
  • http://kaushalacademy.org/ckfinder/userfiles/files/raziguzajideboretuwuper.pdfIn PDF document text
  • http://yao-cheng.com/uploadfiles/20210904071916.pdfIn PDF document text
  • http://aviatechinform.ru/sadm_files/wivotusap.pdfIn PDF document text
  • http://3e3i.com/UserFiles/file///3711819180.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6a3104050---95064156840.pdfIn PDF document text
  • http://inistor.com/ufiles/files/zatorevolijinujuweluxojid.pdfIn PDF document text
  • http://flagrant-desir.com/userfiles/file/82821885619.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/83nulpip9hugucacuu44kt9ooc/menofe.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/livapadojorexisavetefa.pdfIn PDF document text
  • http://servis-hradec.cz/files/file/pobetanewegezunemej.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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