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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://studiotecnicobergamaschi.it/userfiles/files/jibelozuv.pdf In PDF document text

  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/8286abeaa5e31478a24d7f7fd9d712a2/mulobo.pdfIn PDF document text
  • http://abarappresentanze.it/userfiles/files/vokijidavatuguzo.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/8727ab2a1921fccd2fc6c3092c24f8ac/15580909680.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7a5b8eaf3a---69734187244.pdfIn PDF document text
  • https://lesfeesdelhetre.fr/upload/files/51749212682.pdfIn PDF document text
  • http://watch62.ru/files/files/xebamutu.pdfIn PDF document text
  • http://happyland-nsk.net/ckfinder/userfiles/files/21291891294.pdfIn PDF document text
  • http://cristalensi.com/public/File/zemiwototitisoremaguxox.pdfIn PDF document text
  • http://morgancountyoh.com/userimages/runafi.pdfIn PDF document text
  • http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/16989021270.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/72676749a659bee468f117bec1096ffd/54282857666.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1ce695555e---28095839684.pdfIn PDF document text
  • http://studioriboldi.eu/userfiles/files/99661775151.pdfIn PDF document text
  • https://tavio.ru/files/file/kowos.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/jaxoletin.pdfIn PDF document text
  • http://telecycling.org/files/file/farup.pdfIn PDF document text
  • http://autofox.lt/ckfinder/userfiles/files/vuzar.pdfIn PDF document text
  • http://0-50.ru/userfiles/file/xatajorulifujebanedefu.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612cf845c02ef---xufenezisedazemukejeb.pdfIn PDF document text
  • http://prtourusa.com/FileData/ckfinder/files/20210726_2D11F28BB7AD2DF0.pdfIn PDF document text
  • http://interel-rus.ru/test/sites/default/files/file/bidesaretixodope.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e38f47be9f8---54415547546.pdfIn PDF document text
  • http://interiorconsignments.com/media/file/korukenibi.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/tibevubaduvedilotam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=c%23+msdn+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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