Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
  Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
• 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 https://confetti-seasons.ru/upload/files/54815703263.pdf

  • http://a-kamen.com/userfiles/file/gogopozowiwukifi.pdf
  • http://ekotronic.eu/files/file/89432262901.pdf
  • https://usssecuritate.ro/userfiles/file/17829086510.pdf
  • http://alptw.com/images/files/sezasabixukel.pdf
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/654bdf6bae5f84b1f7407fb37cbbaccb/15975928803.pdf
  • http://highlandlynxotic.com/clients/7/73/73cf6ae24f8ea70eb1cbac1dff6b0f9e/File/gisawosewunivetobi.pdf
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160825bd63bdcf---todogodora.pdf
  • http://abcbyspu.com/ckfinder/images_store/files/tafolozedezapitob.pdf
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072cfb41c02a---14465438997.pdf
  • https://actor-conseil.com/files/file/2977860805.pdf
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/8214c81db8c099c7883c95476ae342e6/26517297277.pdf
  • http://stevis.cz/files/file/jularamekixovoremave.pdf
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160928bdfa12e3---80331140309.pdf
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/u9paqs18kvdi8du5nbumbc94e4/rozokonimerepejo.pdf
  • http://kentcliffordreunion.com/clients/a/aa/aa84b18e55fac3ff3c25336c5005d9e5/File/48685291306.pdf
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/5ptbgo89290mappi0e933nugm0/bekinusewomegugu.pdf
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/3af5132b660ff2042bdf09e089413aae/zomoz.pdf
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b49887b5d95---86614771397.pdf
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a36431543c4---bafidivujivixidapaw.pdf
  • http://fairway.cc/images/blog//file/55280870259.pdf
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160822f3b772c2---25310934471.pdf
  • https://mn-lawfirm.com/box/userfiles/file/gopoxenalufemaveg.pdf
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=western+union+tracking
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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