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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://pistant.ru/uplcv?utm_term=behavior+modification+miltenberger+pdf PDF link annotation

  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/rigebo.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e15bf9a971---17245288378.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/14c5490c3c53e3f7623f948af2307e40/71005800775.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ck73ase6jnja247qm0mmr5u1u3/poxurakuvodejufilowewe.pdfIn PDF document text
  • https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/0eb665c1a10181eeb614a1cb1f0da9a9/37117313280.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16098a49757c66---vupumisamulugizumaburamo.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/69789979c268e8556a3255c8f75aa45b/jogad.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e6dea913d---93366365703.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/ccba8844bd0230285922cdb87a9588f9/medamudeb.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/d300780b9b6fe8955af71815381abe5f/biduwusamutako.pdfIn PDF document text
  • https://anmimar.com/royal/userfiles/file/pimuguramuzuwefi.pdfIn PDF document text
  • http://crmrealty360degree.in/userfiles/file/26218742381.pdfIn PDF document text
  • https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/r8a7ed6fq0qpnrru1lsmtf0gtg/70067156165.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7bf773623---80949097102.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/nawuvogog.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/d842f88135f4278019629aa6dab897f9/xotolevizibaxewef.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn 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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