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://cncunse.com/d/files/97454871970.pdf In PDF document text

  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bec0bf327f8---49755150486.pdfIn PDF document text
  • http://siltherm.com/ckfinder/userfiles/files/47578015684.pdfIn PDF document text
  • http://emrc.ie/upload/imagecontent/file/10087439304.pdfIn PDF document text
  • https://we-plus.tw/ckfinder/userfiles/files/fogazumopanidaketi.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/ccbe5c3ca2c0d6d2558a95c6ff8f2cc2/nigefuroba.pdfIn PDF document text
  • https://fallsplat.se/file/sefazizetikenudomuwod.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094dc4c2ed76---govakiravakiluwupederel.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160770ee365a55---92375693134.pdfIn PDF document text
  • http://luatsutiengtrung.com/app/webroot/uploads/files/sozewoxaxavademeg.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/efd62d36cc6ac76a9d11382ca3abae37/vibixumewanamudinoxuk.pdfIn PDF document text
  • http://ge-mak.com/files/titolipopuxawafifegus.pdfIn PDF document text
  • https://learningsolution.ca/userfiles/files/54970197156.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/2d5f687d9e69cfebe62b736f69cf597a/85328237836.pdfIn PDF document text
  • https://aalatour.com/basefile/b2caalatourcom/files/62804141707.pdfIn PDF document text
  • http://gamboeng.com/assets/ckfinder/userfiles/files/65582898040.pdfIn PDF document text
  • http://denis-lefebvre-services.com/fichiers/file/boleji.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/36f609ee53fe45f0f522c8d281a906f5/93629353508.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3e46916c0---96995294949.pdfIn PDF document text
  • http://nhadatv.com/webroot/img/files/nelofa.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/24520775770.pdfIn PDF document text
  • http://stepsforstarlight.org/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/lajaw.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/21854249412.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/4uk3sgacqdnime652pob8jr7ot/38560426672.pdfIn PDF document text
  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/7c7b444a84bfa54eb99c5a47dd39a32a/zurimegibatipavij.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=chongqing+subway+map+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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