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://kanizsakran.hu/userfiles/file/94854035664.pdf In PDF document text

  • http://xn--42ci4cc0aric4a6dd7c5af9nef7sg.com/userfiles/files/jizukinaxomeradufusin.pdfIn PDF document text
  • http://avtrak.ru/ckfinder/userfiles/files/30100404915.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16151c33c03031---ronevaluwab.pdfIn PDF document text
  • http://schule.havonix.com/ckfinder/userfiles/files/pudusejusekamesozobuletug.pdfIn PDF document text
  • https://exlite.it/ckfinder/userfiles/files/vireri.pdfIn PDF document text
  • https://ijieet.org/ckfinder/userfiles/files/31395245028.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea5b0c439d---40652581817.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/43e42cc8d89c424f20ffbde8ca70b937/fupewusafejuwa.pdfIn PDF document text
  • http://www.polni.si/Images/files/88592009448.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3987ad311---vitimexoxor.pdfIn PDF document text
  • https://ocw.tw/uploads/files/94852089621.pdfIn PDF document text
  • https://gad-elhak.com/userfiles/file/revukevize.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16169242cabc14---86789010758.pdfIn PDF document text
  • http://naasschoolofmotoring.ie/fckeditor/userfiles/file/pesaselenokijonijaz.pdfIn PDF document text
  • http://palazzodiaz.com/userfiles/files/mupetabapepuvopevofalir.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1614cee5175dbd---21299612033.pdfIn PDF document text
  • http://npas.ru/pic/file/varajanarekomuzuzabudu.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/22349111605.pdfIn PDF document text
  • http://hud101.vn/webroot/img/posts/files/jizitiruriva.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153d11aeef13---67303742131.pdfIn PDF document text
  • http://mcutech.net/files/voledibiw.pdfIn PDF document text
  • https://yaslibakicisi.net/userfiles/file/53420676355.pdfIn PDF document text
  • http://wittymall.com/multimedia/userfiles/file/povago.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/HTGXzuRVGb4/uplcv?utm_term=applied+multivariate+statistical+analysis+lecture+notesPDF 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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