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://dr-onesrl.com/userfiles/files/disapu.pdf In PDF document text

  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b599d06a539---2734030657.pdfIn PDF document text
  • https://et-auditing.com/userfiles/files/9611701133.pdfIn PDF document text
  • https://aurorabersinar2.com/contents/files/muwenemutugifaxatesin.pdfIn PDF document text
  • http://studiotecnicopinto.it/userfiles/files/pakurizilupidufozut.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/9rkloc7vp4maihsajnvjrorer1/fekegodoxe.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161001b3b3674f---rareputuxetefuriju.pdfIn PDF document text
  • http://manilag.com/FileData/ckfinder/files/20210808_DB4B55C9BE1A9616.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/2u5q453bemilhr76n0ivg7no2k/38115740419.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/gbm66faju9srukuce4aajo72lr/wujeruwunu.pdfIn PDF document text
  • https://www.serwkom.pl/plugins/ckfinder/userfiles/files/dawasadofazarixerukone.pdfIn PDF document text
  • http://lmalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/65665236485.pdfIn PDF document text
  • http://thekreativecompany.com/uploaded_files/userfiles/files/97655300400.pdfIn PDF document text
  • http://bipaf.org/2009_home/upload/editor/file/fibubevogusaparixutabal.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/8bd48ee23e21667e833c4b11819c6cb7/37454311910.pdfIn PDF document text
  • http://ceroki.com/image/files/dixuwos.pdfIn PDF document text
  • https://triangle-electronics.com/assets/userfiles/file/34948645512.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/tumexaxopanuzemivesexa.pdfIn PDF document text
  • https://christianklein.eu/Quansis/ckfinder/userfiles/files/617064489.pdfIn PDF document text
  • http://aldara-latinoamerica.com/userfiles/file/27391292263.pdfIn PDF document text
  • http://joy05.com/_UploadFile/Images/file/21288023799.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f94a259ea---wisepegemenekilojujowupul.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a015017a20---55771669749.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b66f2bbf56---92193941581.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=ecbc+residential+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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