Malicious PDF — malware analysis report

Heuristics 7

• 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) or Microsoft license-boilerplate 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 https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a402a412e---paxapore.pdf In PDF document text

  • http://brilliantsolarpaneling.com/userfiles/file/8957636326.pdfIn PDF document text
  • http://wib24-admin.de/uploads/file/85856046009.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/0f9e30d34d95592a66b4964ff7a9e19f/52383364617.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2d9c6f4e9---sodogogobejunab.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/d14e88c242c2d3dbd066f20cd0eb1da4/vapabimegeze.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/64252875622.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/9u2lf5bvkhnsgio39h7htkogn1/besikow.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8df2359c32---lamaretakoda.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160be89a40d555---50419185124.pdfIn PDF document text
  • https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/7e156608e4a0505faed6d9f8cbee63ff/fomedubeminurifetabiwidod.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607926c6e4643---3296273999.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c9506c7a6bf---fokutuginenusabu.pdfIn PDF document text
  • https://lee-trading.tw/archive/upload/files/telidowo.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/00bdeff6a98969f4f3722124835cf448/pisesogenigokaxi.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/pijamar.pdfIn PDF document text
  • http://kath-kiga-bw.de/bilder/berichte/file/muvuloziroxe.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/seropatifogi.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a267f4d0cab---mariwodudolenibuwifuf.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/3befbbc5959f17bdbbc5208243b799e7/93127693489.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/30512322265.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=utah+county+tax+assessor+property+searchPDF 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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