Malicious PDF — malware analysis report

Heuristics 8

• 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
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/8dce1dc99006a262bcb58ca0e5ce2ae9/xaxozonebaxakiwi.pdf In PDF document text

  • http://tcsklife.com/filespath/files/20210902101105.pdfIn PDF document text
  • https://snpwachq.com/files/js/ckfinder/userfiles/files/jalitazatagiterug.pdfIn PDF document text
  • http://freetds.net/userfiles/file/doxabadufu.pdfIn PDF document text
  • http://www.shjkyq.com/up_files/FCK/file/xanilivowawetopuduwikamob.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/d4212fd3ce8780256fc04dfc5016d7f7/15734642636.pdfIn PDF document text
  • http://studionegro.net/userfiles/files/73519246898.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161369092e2d5b---xazixuzimudezupama.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346e6d856c7---rebum.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140531dc8df7---10846458068.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16134a1ffe3f1d---38697668915.pdfIn PDF document text
  • http://eotp.info/sites/default/files/fck/file/kokajujapezefarowukexokov.pdfIn PDF document text
  • http://tecnoservizi.com/userfiles/files/47589470405.pdfIn PDF document text
  • https://cheesykeju.com/contents/files/78284732680.pdfIn PDF document text
  • http://sromedical.com/file_media/file_image/file/wisazinorax.pdfIn PDF document text
  • http://mayepnuocmia.vn/data/ckfinder/files/90806842300.pdfIn PDF document text
  • https://tjp2-hotlink-j3t.com/contents/files/tuwuzitagu.pdfIn PDF document text
  • http://viettranslators.com/webroot/img/files/gasugetu.pdfIn PDF document text
  • http://myshopgroup.com/userfiles/files/57327636014.pdfIn PDF document text
  • https://kawanmto.info/contents/files/jubipamibiwusizelevelow.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/lolotav.pdfIn PDF document text
  • https://greenvalleykerala.com/ckfinder/userfiles/files/lafuwegibamepipom.pdfIn PDF document text
  • http://dywin.com/uploadfile/files/3272767778.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=qr+code+reader+chrome+androidPDF 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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