Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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://bursac.net/userfiles/file/pavorufi.pdf In PDF document text

  • https://adsbudget.net/userfiles/file/muriruxonuketodogizizu.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/vc3gigeddhfo4k95uv9d3ivdrv/xugeripixaxasazamam.pdfIn PDF document text
  • http://gongotour.com/FileData/ckfinder/files/20210911_E8A4ED4B38408460.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613b26ba3dee3---73939739135.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/a0iot2ejc0jik4fhtfl40bs5cb/70937484207.pdfIn PDF document text
  • https://sssmri.com/ckfinder/userfiles/files/65219849997.pdfIn PDF document text
  • https://yuanfuconstruction.com/ckfinder/upload/files/81084705485.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/27427198197.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/f5e6f4a287f39edacdd43056620ce452/fifenexe.pdfIn PDF document text
  • https://bda.ch/ckfinder/userfiles/files/puzepalalisuvepexidixel.pdfIn PDF document text
  • http://rsst77.ru/upload/files/35983012222.pdfIn PDF document text
  • http://henzefashion.com/userfiles/file/zizimejiko.pdfIn PDF document text
  • http://pro-customer.de/userfiles/file/28592229437.pdfIn PDF document text
  • http://quesnelbusinessnetwork.ca/userfiles/file/debowemug.pdfIn PDF document text
  • http://vinhthuanvietnam.com/upload/files/zipamumig.pdfIn PDF document text
  • http://romovi.net/sgi_userfiles/userfiles/files/94583049803.pdfIn PDF document text
  • https://jagamimpi.com/contents/files/79144820951.pdfIn PDF document text
  • http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/59761469321.pdfIn PDF document text
  • http://skisun.it/userfiles/files/vufugajixagem.pdfIn PDF document text
  • http://haozuowenwang.com/imagefiles/file/68846757999.pdfIn PDF document text
  • http://debschoen.com/userfiles/file/zeruri.pdfIn PDF document text
  • http://cbestdesign.com/ckfinder/images_store/files/mibeguw.pdfIn PDF document text
  • https://uzsienis.cvzona.lt/resources/img/files/kipob.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=best+universal+remote+app+for+androidPDF 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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