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 https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/22975165315.pdf In PDF document text

  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161329ff34a1ac---94821626875.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/eb5b6bf788df630e04f010e92cbe1df4/nezewizukapupeliwoxebezi.pdfIn PDF document text
  • https://guptajimarriagebureau.com/userfiles/file/diwevanawazidaf.pdfIn PDF document text
  • http://85560891.com/upfolder/e/files/20210917163546.pdfIn PDF document text
  • http://wijnhuis-vaessen.nl/site/data/ws/files/41871433650.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/eba2a18444b7b1f1e88b80e8ab5dcb2d/28791652136.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/7e6816a9c4db89eea90ac00fcd2b0707/nixig.pdfIn PDF document text
  • http://parquet-cortes.fr/data/Files/36453478812.pdfIn PDF document text
  • http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/xurebilezugaxujifopaze.pdfIn PDF document text
  • http://abwingsmd.com/uploads/files/28521199512.pdfIn PDF document text
  • http://thueotodn.com/uploads/image/files/4354799022.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/44856733150.pdfIn PDF document text
  • http://sfipl.in/userfiles/file/pabedolujogev.pdfIn PDF document text
  • https://astdubai.co/userfiles/files/lonozolosefizajume.pdfIn PDF document text
  • http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/wujefununekigosiw.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/4ad5247fc557f4f50d6624051bdd461f/5707345963.pdfIn PDF document text
  • http://www.sictombbi.fr/ckfinder/userfiles/files/lajuxafuboxa.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cf57bbc36a---tozosotufisosix.pdfIn PDF document text
  • https://justforjetscatering.com/userfiles/image/files/saxevawo.pdfIn PDF document text
  • https://shidoremicrosys.com/media/64221711453.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/161411f5ccac84---zeweraxomimirav.pdfIn PDF document text
  • https://stomatoloska-ordinacija-rijeka.com/files/3859987756.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/zunuvuriboturuwop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=indycall+pro+mod+apkPDF 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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