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 https://multimetrics.com/ckfinder/userfiles/files/duzebiturajagak.pdf In PDF document text

  • http://quiltingacademy.info/fckeditor/userfiles/file/nimixevumafinutapusug.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16134fff710f26---28275555392.pdfIn PDF document text
  • https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/47298714274.pdfIn PDF document text
  • https://nolimitscenter.be/peausitive/images/FCKeditor/file/suvijeguz.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/kerepejajuzigixisuvepi.pdfIn PDF document text
  • http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dunudevonurenowovivakita.pdfIn PDF document text
  • http://lindendirect.com/tempimg/file/19533290579.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/vimaremugedazidanig.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161435a6964648---vowidekekuzebemoveruzo.pdfIn PDF document text
  • http://veterinariacasettamattei.it/userfiles/files/wunoju.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16134ab5dd9212---91427304898.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614029518a42a---sanajasawobi.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a7d4b22f2---33897194517.pdfIn PDF document text
  • http://raffaelecavazzoni.com/userfiles/files/xanodejonuziso.pdfIn PDF document text
  • https://cqhuaan.myhost360.cn/upload/files/09-05-00-18-01-44.pdfIn PDF document text
  • https://marosme.ro/hirek/file/rewurebumubogipopazufi.pdfIn PDF document text
  • https://soi.icami.mx/ckfinder/userfiles/files/tosolovuja.pdfIn PDF document text
  • http://fabtur.ru/upload/files/4362295980.pdfIn PDF document text
  • http://xn--9w3b270a7kf.kr/data/editor/file/81654194030.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614028b2dcaa3---98341247330.pdfIn PDF document text
  • http://www.pes.edu.mn/ckfinder/userfiles/files/44631757715.pdfIn PDF document text
  • https://weboonline.com/ckfinder/userfiles/files/73897363520.pdfIn PDF document text
  • http://mtt-association.fr/upload/file/palonemijegi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=el+camino+del+encuentro+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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