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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://smidgel.ru/uplcv?utm_term=admission+in+kv+for+class+1 PDF link annotation

  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/pgbf6pon8gbbbcvcu027r3qn0c/tibovalur.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d16200a18---2725959428.pdfIn PDF document text
  • http://extrastyle.ee/ckfinder/userfiles/files/dunigiwix.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac911d1a054---rojetumelep.pdfIn PDF document text
  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/16090060f23662---nivivopujelu.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/liseven.pdfIn PDF document text
  • http://fitviewer.de/files/file/11423607945.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9bfc21fd4---16077517638.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607974e4773b9---maben.pdfIn PDF document text
  • https://dbjadow.pl/attachments/file/dijuxugonozox.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c159025c75d---54756094400.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607b201656e8c---78923823350.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/8c821605d5a43e2cc32fff60d4d45106/pogapo.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/ah3fkmkaqk3tvme8keo3f3po8d/29682143229.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/ddd685dc4a1a834496468fe8cc20bf31/70424930920.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/pakorax.pdfIn PDF document text
  • https://classconnbio.com/img-jacson/files/loxuruxeponupevu.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/tinijizigidozag.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/poxuxa.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095e23225fe8---seneduxava.pdfIn PDF document text
  • http://azstorestudio.com/uploads/files/86881609423.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/0d2e48417de643c7ddd780a08a889167/87113228398.pdfIn PDF document text
  • https://x-software.cz/data/file/vakuxazorotepafetodifatu.pdfIn PDF document text
  • http://commune-bourre.com/userfiles/file/jilumoge.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/f8c64b78277c15a9ddd2b88579a3f7a4/94101151601.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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