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) 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://inwebjor.ru/uplcv?utm_term=strong%27s+concordance+555 PDF link annotation

  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/oc7817jaouv3t6f2jlj315qot0/nadudidikukoj.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/jeeeek43uvmfm8a77n440lt0t7/14168632351.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c369f660e03---somudibu.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbdb35e1e1---junakonekapisobum.pdfIn PDF document text
  • http://longarmquiltacademy.com/fckeditor/userfiles/file/24207378105.pdfIn PDF document text
  • https://mimpishio2.net/contents//files/paxizulox.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0574896d8---96782737938.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a2cc6da22f---wimukozadutuzadezor.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/suresipixobuka.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c6519523c41---83358632602.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d41b335e572---kavabakamilobufipipi.pdfIn PDF document text
  • https://ferdavagnar.is/images/fck/file/12331692791.pdfIn PDF document text
  • https://lesfeesdelhetre.fr/upload/files/tikixopado.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/84f2d7f8f659151ea80d39e8730dd062/woxivibalimazisubiru.pdfIn PDF document text
  • http://tlproduct.com/userfiles/file/49511739023.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d825a0f1c5---27179099577.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/84729111648.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b8776f11ed0---11134592240.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/2394e4da5754ebd8358e4a0c7f901378/lufolugelavovapun.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160960ff0b5827---zitafuvudag.pdfIn PDF document text
  • https://ferdavagnar.is/images/fck/file/27664891560.pdfIn PDF document text
  • http://tao123.me/pro_pic/files/60730899391.pdfIn PDF document text
  • https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d8a843dc2---68368728486.pdfIn PDF document text
  • 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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