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://consultingexpert.eu/fckeditor/userfiles/file/17301040662.pdf In PDF document text

  • http://zsdbiopharm.com/upload/files/2612568570.pdfIn PDF document text
  • http://skontrolsengineering.com/file_media/file_image/file/91834260002.pdfIn PDF document text
  • http://elementsgogreen.com/userfiles/file/sarelen.pdfIn PDF document text
  • https://khotelmarket.com/FileData/ckfinder/files/20210912_747C637D684A9439.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/f8edcd7feff3c1fee376035012cf198e/sevifisizawodem.pdfIn PDF document text
  • http://www.polni.si/Images/files/28626460843.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/989ca8f9d8170ed5de3d759d2656b10e/73956356697.pdfIn PDF document text
  • http://metalzilemboeventi.com/userfiles/files/vifubipuvabudopekixesimu.pdfIn PDF document text
  • http://originalavto.ru/userfiles/file/21286084881.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/67362990616.pdfIn PDF document text
  • https://hoangvan.vn/wp-content/uploads/files/dajitux.pdfIn PDF document text
  • http://devison-matras.ru/upload/file/20905243308.pdfIn PDF document text
  • http://indianmailbox.com/assets/images/userfiles/files/79441299359.pdfIn PDF document text
  • https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/mikufilorowu.pdfIn PDF document text
  • https://datatalk.ilvzhou.com/upload/files/2021/09/202109111800517370.pdfIn PDF document text
  • http://tingchucontrol.com/Uploadfiles/files/65639658895.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/rcqvc6lvbs3rvba714l2vms23b/7412387168.pdfIn PDF document text
  • http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91978643046.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140997ad7e67---21708652785.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/42256139233.pdfIn PDF document text
  • http://cyc.cz/pictures/clanky/files/wobusijolegosuxaliwukomob.pdfIn PDF document text
  • http://neurooperations.com/ckfinder/userfiles/files/30126610533.pdfIn PDF document text
  • https://tarsiman.ee/files/file/16720550635.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/35869375750.pdfIn PDF document text
  • http://rkenterprisesonline.com/FCKeditor/file/26812600363.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=marjotech+ph+injector+diamondPDF 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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