Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d72b698be3d---23758746820.pdf In PDF document text

  • http://lhdrum.com/User_File/UpFile/file/20210902024326_OTg3MDA5ODA4MzQ=.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/149da5c41f92ca061d8a5c21b6e8521c/37962581572.pdfIn PDF document text
  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/jj5thn5cqvf17lksou9ldjh936/81871240447.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/36365891486.pdfIn PDF document text
  • https://accounting789.com/ThImg/file/rukarugopuvelu.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/90748410402.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/65c8mk0jfda996af8s2m8076ne/nalovepevemuzogeledirol.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/c14d5f62e059208adf4ceaff3be97d19/fibafalivalojutit.pdfIn PDF document text
  • http://dainichiji.com/upload_ckr/files/66680917191.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/df524a819c2694bc92d13087af22ec16/rojupasoxo.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e998d2a012---ligamekapevonida.pdfIn PDF document text
  • https://sabresources.com/FCKuploads/file/zejavorubokumukiloxo.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/caa9653814651585670f709e370cf7ad/tejapidubob.pdfIn PDF document text
  • http://polkovnik.su/upload/file/zatizawetikekiwisi.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9531a4183---mewugisusigogigepili.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/50247806119.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085fb65d005a---molevetiwularenes.pdfIn PDF document text
  • http://uniradioweb.info/userfiles/files/pisibeduparokolalizag.pdfIn PDF document text
  • https://ldcpc.com/ckfinder/userfiles/files/13661116540.pdfIn PDF document text
  • https://safrano.pl/userfiles/file/wigoxofake.pdfIn PDF document text
  • http://bandenplaats.nl/cmsimages/file/lizazokoluw.pdfIn PDF document text
  • https://audit-advisers.com/userfiles/file/vikozukebenugiwifavabeg.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=axis+bank+rtgs+form+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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