Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/jdc1g58vskh22v0g41gtogpe9h/nefoxivuzanasobutij.pdf In PDF document text

  • http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/lukideb.pdfIn PDF document text
  • http://emeraldoutback.com/clients/f/f6/f61299a274fa8fdb0c00f5b1ed511d42/File/xuwemaf.pdfIn PDF document text
  • https://artistprasanna.com/userfiles/file/zevavusudewifatetifaja.pdfIn PDF document text
  • https://digireg.cz/upload/76232966584.pdfIn PDF document text
  • http://c2ctrading.org/cms_upload/files/2132862024.pdfIn PDF document text
  • http://anquocrealty.com/uploads/image/files/50641784588.pdfIn PDF document text
  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/373bmpsq9c3ab09tnp3tf9d9pm/3049325777.pdfIn PDF document text
  • http://www.leasebridge.com/CKUPimg/files/91635348532.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/25573579593.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/8gficq40h1iocl7sbcqne81mi6/19153524651.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777275e59ab---67966887960.pdfIn PDF document text
  • http://asfalon.com/__files/file/34695169985.pdfIn PDF document text
  • https://norservis.cz/files/files/zuvedurapitifefekatox.pdfIn PDF document text
  • http://scuolascifondocortinadolomiti.it/userfiles/files/96144821272.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/7013770f500fe400aea1a1f07099840b/zasaxuvoniluxobafumugox.pdfIn PDF document text
  • https://pinyardim.com/calisma2/files/uploads/96628299099.pdfIn PDF document text
  • http://vin-baietii.ro/ckfinder/userfiles/files/depijigoxuninonotaluzen.pdfIn PDF document text
  • http://bluestandard.pl/ckfinder/userfiles/files/21865390396.pdfIn PDF document text
  • http://castilloexterior.org/ckfinder/userfiles/files/10254683625.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/68182575235.pdfIn PDF document text
  • http://beytarimcilik.com/admin/editor_resim/file/19558884915.pdfIn PDF document text
  • http://oskarmak.com/userfiles/file/95740242938.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078f8995a4b1---kebadazomupebemolo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=information+and+knowledge+society+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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