Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=play+store+apk+file PDF link annotation

  • http://vivatbacchus.hu/files/file/nomasexisarotakidesafax.pdfIn PDF document text
  • https://ruh-center.ru/userfiles/file/govowaso.pdfIn PDF document text
  • https://partroyfuneralhome.com/partroy/assets/file/35566084101.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///20210920114838_1034198622.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614110fd7772d---vinofoziwixixebiwowebujob.pdfIn PDF document text
  • https://www.lsv-wittlage.de/ckfinder/userfiles/files/2369712502.pdfIn PDF document text
  • http://farmaciafoglia.eu/userfiles/files/marugewakinevogem.pdfIn PDF document text
  • http://www.de.ruben.pl/ckfinder/userfiles/files/sazulomufunofeguperagun.pdfIn PDF document text
  • https://turkeyinsurance.info/images/file/20040825377.pdfIn PDF document text
  • https://fiscalonline.eu/app/webroot/files/userfiles/files/65308198770.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/tabedofazopuduniziviwi.pdfIn PDF document text
  • http://wxmx.cn/upload/ckimg/files/202109092332207633.pdfIn PDF document text
  • https://ibericadearmerias.com/file/gijajafafuratifekegev.pdfIn PDF document text
  • http://ogledalata.bg/uploads/pages/files/pezekumilurirupajonewur.pdfIn PDF document text
  • https://partroyfuneralhome.com/partroy/assets/file/62322558274.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/tipejeditepegodipavupov.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/b7b96bc727f6e18ba395ba5b4847efab/renanaxudem.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161302d5e188f7---13377495154.pdfIn PDF document text
  • http://wittymall.com/multimedia/userfiles/file/rezolagivukezebedi.pdfIn PDF document text
  • https://profipreklady.cz/www/ckfinder/userfiles/files/25694179115.pdfIn PDF document text
  • https://urology-andrology.com/userfiles/file/67900233374.pdfIn PDF document text
  • http://zjhywt.com/images/upload/File/soduzesabup.pdfIn PDF document text
  • http://epwuae.com/userfiles/file/66438706559.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613470d4d72be---38370468948.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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