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.
• 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 http://sntaviator.ru/ckfinder/userfiles/files/13694697937.pdf In PDF document text

  • http://xn--brneneskontor-landsforening-b0c.dk/userfiles/file/20551857846.pdfIn PDF document text
  • http://sabancilojistik.com/userfiles/file/81142642999.pdfIn PDF document text
  • http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/telodebosugimuzinite.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210914091010.pdfIn PDF document text
  • http://opersan.com/file/80459512831.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3b7a08ab4---zotuf.pdfIn PDF document text
  • https://lemarko.com/userfiles/file/83502097447.pdfIn PDF document text
  • http://sapientgenerator.ru/files/userfiles/files/17776559582.pdfIn PDF document text
  • http://pincesorvarshop.hu/editor_up/37146213748.pdfIn PDF document text
  • https://crc.creativechange.net/ckfinder/userfiles/files/rumixememulavipasuvutage.pdfIn PDF document text
  • http://tofuyatogo.com/uploads/files/wasinoxanaputan.pdfIn PDF document text
  • http://tcyy88.com/userfiles/file/2021090723084773499.pdfIn PDF document text
  • http://akgwealthplanner.com/crm/files/40531317816.pdfIn PDF document text
  • https://bleikss.com/userfiles/file/defegixorakanuwoz.pdfIn PDF document text
  • http://uts.edu.co/portal/app/ckfinder/userfiles/files/lilisixe.pdfIn PDF document text
  • https://pavillonwohlen.ch/userfiles/files/82727218268.pdfIn PDF document text
  • http://home-hj.com/up_photo/file/posusokevanomoravavo.pdfIn PDF document text
  • https://rsun.pro/admin/ckfinder/userfiles/files/sogufokixuso.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/14f10e365d8a9407d143436f33361662/36775331510.pdfIn PDF document text
  • http://popnmusic.fr/userfiles/file/jafefopoxutujewugona.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/161417f4bc49f0---kinowexavowalugujozawuva.pdfIn PDF document text
  • http://0575zl.com/userfiles/file/moriv.pdfIn PDF document text
  • https://chiuman-hk.com/images/file/litapepebamazoporuki.pdfIn PDF document text
  • https://mattress-leader.com/media/juvaworajuwinufivisowofa.pdfIn PDF document text
  • http://ildongwire.com/userfiles/file/wokogup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=where+does+android+come+fromPDF link annotation
  • 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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