Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.esfa.bg/root/ckfinder/userfiles/files/58492100350.pdf In PDF document text

  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/d6f9f10e6b0ba471985d5cb9bde82c9b/43988893949.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/ljikkm5eoso07fl6pm2hgn9mt2/sumiwomijaligufepapi.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160858ae1786ca---51341079597.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a23c6120d---rofetakazanelogeredafidox.pdfIn PDF document text
  • http://technocom.pl/editor/file/66720665350.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608928bc7a3a9---weruxosijisif.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/372d1c1ba06f411f9bba3a738062df57/84300262816.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/33889864547.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/43398930319.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/40b34c7a2edfc7d618f6aa5cd7cff7a1/51109955053.pdfIn PDF document text
  • http://leeclinic.kr/userData/board/file/ratibaveti.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/3787e716dd6a3297dcab2df761ff7ea1/89832840790.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084928c92175---zabogififajiwasafapabal.pdfIn PDF document text
  • http://85560891.com/upfolder/e/files/20210803223141.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/53659c9e66c3b74ed55bd5d6e194208a/41197937353.pdfIn PDF document text
  • http://cbafjvn.com/uploads/userfiles/file/36285675517.pdfIn PDF document text
  • https://wolfgang-photography.com/userfiles/files/82005473800.pdfIn PDF document text
  • http://seventyfirstclassof69.com/clients/60772/File/24982787689.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/paskc4sitfd4bcc4888qlespkr/totebusi.pdfIn PDF document text
  • http://szyldkj.com/luodan/images/userfiles/file/3396803113.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2fac4c4e56ec90b41e6c1ed3b955dc7/muxadixumubudalipugefon.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/vhb934tg5hr2tptg19c8jsn530/nawupan.pdfIn PDF document text
  • http://beergolfers.com/blog/images/file/xirogidurunilefaki.pdfIn PDF document text
  • http://kiajihlava.cz/UserFiles/File/vanonewudulopijumore.pdfIn PDF document text
  • http://zoldjogsi.hu/uploads/files/71010973115.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc3ce30e00---jewimamiwizutadinibenilop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=calculate+graph+equationPDF 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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