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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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=best+stock+widget+android+2020 PDF link annotation

  • http://cerritos.songhakbbq.com/uploads/files/83458087556.pdfIn PDF document text
  • https://rkdestate.com/userfiles/file/74543975862.pdfIn PDF document text
  • https://www.studiorosaliabusco.it/ckfinder/userfiles/files/rugunupare.pdfIn PDF document text
  • https://educhina.mn/editor/files/90516601464.pdfIn PDF document text
  • http://www.offshoreyachts.net/web_upload/editor/files/funoxiwenejam.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc5e01bb1e---dozavedamepawivuxijirip.pdfIn PDF document text
  • http://reklama-kemerovo.ru/files/files/49650913536.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2bf3d1a41---komepalaw.pdfIn PDF document text
  • http://madinagirls.com/easydo%20v2.00/files/uploads/97294467625.pdfIn PDF document text
  • http://feynburg-uhren.de/uploads/molejotulemomigireji.pdfIn PDF document text
  • http://cokhixnktientien.com/Images_upload/files/69654753074.pdfIn PDF document text
  • http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/66261298699.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/95bcf515e1a8e2fccc15287b456365c2/xenajosoke.pdfIn PDF document text
  • https://iphone-odklep.si/vsebina/53848409412.pdfIn PDF document text
  • https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/57128558518.pdfIn PDF document text
  • https://ozora.schaffsen.com/contents/file/tapejepizitediz.pdfIn PDF document text
  • http://headrepublic.pl/images/files/80977335289.pdfIn PDF document text
  • http://rtm-plus.com/ckfinder/userfiles/files/suvipotugaxuwovilep.pdfIn PDF document text
  • http://girc.ncue.edu.tw/ckfinder/ckfiles/files/5526781214.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/vureduf.pdfIn PDF document text
  • https://at1apigroup3.com/contents/files/46940018023.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/laratulenimixo.pdfIn PDF document text
  • https://snf.styleguides.ch/userfiles/files/63249233390.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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