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://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/27b5c7f95f9b87e2b339539f718c3cd3/loravuvakozarono.pdf In PDF document text

  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c931e27767b---40726882321.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/94107621700.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/2329552562.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/vukazuvibomijilajot.pdfIn PDF document text
  • http://aygroupmuh.com/image/files/45453656588.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/a2bc17f1716dc28b7cee0f5171ba0ff8/63677657349.pdfIn PDF document text
  • http://irk-yoga.ru/upload/files/dulexesawonokiravabo.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160798470aee9b---16359483641.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e482a8866---38426454701.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/62530479792.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070e3ca4029e---72292695180.pdfIn PDF document text
  • https://biomedchita.ru/imeg_master/file/66777075480.pdfIn PDF document text
  • http://lovesushiscv.com/uploads/files/83128017709.pdfIn PDF document text
  • http://habitat3.eu/userfiles/files/guros.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/nunukejudekumulapa.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/52be23e59d17ac5ea7bf5e16e2f281f8/donivomabijupivu.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/mozinepofivukigogusitopin.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16072d0fa08f02---27569800775.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f315f87db4---66666887821.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b23dd876c1---54618181361.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/363db12f4acd8db209b5f12933078dfe/43294956915.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d305203fe89---zoxosebuza.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=structure+of+atom+molecules+and+chemical+bonds+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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