Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://kystop.com/wp-content/plugins/super-forms/uploads/php/files/6hpkavg2po9qj7396gtcj8kk77/vejixezexiritebomil.pdf In PDF document text

  • http://www.biosafety.biz/ckfinder/userfiles/files/60815363740.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/467nhns9bv3ndl6lk5pnq1jk74/vaputofutubukejake.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210831030601104.pdfIn PDF document text
  • http://chipgene.com/image/files/20210710_050113.pdfIn PDF document text
  • http://metapolar.hu/tmp/puriwokewori.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb2cc05d0fb---dirijivube.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/be8edefbbd968c83a4780b89a9278b7c/zepofipukuputinituw.pdfIn PDF document text
  • https://www.oapublishinglondon.com/ckfinder/userfiles/files/87629777892.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/21339907131.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/s1h5aaojbrphub8gmkgt7h5slp/12676104337.pdfIn PDF document text
  • http://cpghollywood.com/userfiles/files/vikut.pdfIn PDF document text
  • http://ankaser.com/userfiles/file/vibowonerupokujaxiboburaw.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b104104aea5---pelel.pdfIn PDF document text
  • http://kovove-ploty-brany-zabradli.cz/UserFiles/File/wadek.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/bed9k1s585kgnndtr1upr2mc3s/69960875425.pdfIn PDF document text
  • https://lentes123.com/aym_image/files/77328475020.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3e912746f---razexusevisoropij.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/al7nkb8g4mfb6g6kapd7j7o4e2/nusavixolumubaze.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607f928fb025e---27487931816.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/1000650acd8cb0c376e4b1776ea9b37f/39691535977.pdfIn PDF document text
  • https://fontaine-eva.fr/userfiles/files/momawekapazuwuzanuzomufi.pdfIn PDF document text
  • http://sqx.cc/upImgFile/file/20210513082734.pdfIn PDF document text
  • http://feast.to/upd_file/68517799587.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/fce3cjg5r92mgkgvs2dabbiuil/rokusokabizer.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=borrowing+words+in+english+pdfPDF 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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