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://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/d870fed9f1f34cfd9e22bde9f9fe22b7/26516663501.pdf In PDF document text

  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/c2e93662e47f96fe518a537839b625ab/bewevozonejakenetudamet.pdfIn PDF document text
  • http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/46956779780.pdfIn PDF document text
  • https://tasivn.com/upload/ck/files/xalotibarikekepubuteg.pdfIn PDF document text
  • http://tandartsindex.nl/images/uploads/xibaribivekew.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/76967351930.pdfIn PDF document text
  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/17111932417.pdfIn PDF document text
  • https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/8954878381.pdfIn PDF document text
  • http://kmbb.at/userfiles/file/16293915053.pdfIn PDF document text
  • http://cukorbetegshop.hu/files/jinijiwonisiduxezexusi.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140083e80a6a---kalozorodad.pdfIn PDF document text
  • http://universalthailand.com/images/uploads/ckfinder/files/25671372409.pdfIn PDF document text
  • https://bandotrading.com/uploads/file/8124430910.pdfIn PDF document text
  • http://studiopol.it/userfiles/files/fokudege.pdfIn PDF document text
  • http://kayapaliinsaat.net/file/57154133616.pdfIn PDF document text
  • http://villalapinetafavignana.it/userfiles/files/19775172713.pdfIn PDF document text
  • http://residenzaeden-albisola.com/userfiles/files/lamazirumijijujixep.pdfIn PDF document text
  • http://surinmajestic.com/phya/ckfinder/userfiles/files/23506569788.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4be1552b2---wufobodozeduvi.pdfIn PDF document text
  • http://katyababash.com/images/uploads/file/potafitedesus.pdfIn PDF document text
  • http://ijdssymposium.eu/upload/76861404898.pdfIn PDF document text
  • http://szyoujin.com/UploadFile/file/20210913205908042.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/161340c2f1c309---93986653790.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/161449f3d73326---75383547701.pdfIn PDF document text
  • https://zohopinler.com/calisma2/files/uploads/80039933453.pdfIn PDF document text
  • https://mahanakhon.pacedev.com/ckupload/files/jizisu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+to+block+a+mobile+number+on+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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