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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://wxbeimei.cn/upload/ckimg/files/202109160821237022.pdf In PDF document text

  • https://smobiil.eu/userfiles/files/fesekafigiwukox.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/50262797949.pdfIn PDF document text
  • http://ptairsupply.com/userfiles/file/ludojojeraso.pdfIn PDF document text
  • http://sgo-bage.com/public/files/files/71554964893.pdfIn PDF document text
  • http://konberdbio.com/upload/files/7256064502.pdfIn PDF document text
  • http://hotelgiottotorino.com/userfiles/files/17512625081.pdfIn PDF document text
  • http://mixline.ru/img/lib/file/xagokakupubajusora.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/04e74d0268fe0a2a5fad7ec63df3b259/63590465194.pdfIn PDF document text
  • http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/82903761868.pdfIn PDF document text
  • https://villanakarin.com/userfiles/files/vulufopevuluwufafoz.pdfIn PDF document text
  • https://fotobolfestmeny.hu/mvc/userfiles/file/redogug.pdfIn PDF document text
  • http://eia-edu.com/userfiles/file/24137702937.pdfIn PDF document text
  • http://hsaltsj.com/uploads/files/93640671354.pdfIn PDF document text
  • http://seibyou-koujien.com/files/files/78124539508.pdfIn PDF document text
  • http://christopherspubandgrille.com/userfiles/files/92250699599.pdfIn PDF document text
  • http://trieuduong.com/images/Download/jofogota.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/r4ab8413b31h0g1n38mhh8qoqu/43532349871.pdfIn PDF document text
  • http://titusauto.hu/kepek/file/28979779726.pdfIn PDF document text
  • https://nmcs.ca/userfiles/files/99594569820.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/23979144159.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/3b85c6f34e4cbef2e317bbbac0997a69/puzawavafodenixeko.pdfIn PDF document text
  • http://www.cavice.fi/tiedostot/files/59943849710.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16136d75e0eb95---fomonopukigarokazemejur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=install+ubuntu+in+dual+boot+with+windows+10PDF link annotation
  • http://perfecturology.cafe24.com/upload/editor/imagefile/vabodotobene.pdfIn PDF document text
  • 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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