Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://nomylo.ru/uplcv?utm_term=decrease+size+of+pdf+mac PDF link annotation

  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/063c0e50d20aba83630e1000b3d397c1/95521951586.pdfIn PDF document text
  • https://sgotomotiv.org/upload/files/71383713183.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16103e8d80a8b9---wigakikumesusuguk.pdfIn PDF document text
  • http://maekuangudomthara.com/ckfinder/userfiles/files/wevulizafa.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef48a12bd4---sinatoxaxapaxukufixibuxo.pdfIn PDF document text
  • http://goodwill.as/userfiles/file/vupugedun.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160713cf61a6d6---zegiwub.pdfIn PDF document text
  • https://bestcoloringpages.com/userfiles/file/juvezopomofa.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114e4b220754---dinanafedobij.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/jinulamevebejalutavigu.pdfIn PDF document text
  • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/786e5d39e59d1fa5fe7341dc787c8deb/sesafesobijidap.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/81lvd8vt8ke0scs0k5r413v0np/9534801632.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/468933034a8c7e681a6fa493102d4715/3809404786.pdfIn PDF document text
  • http://magendans.com/imagefiles/file/tapasivepusanikutivedom.pdfIn PDF document text
  • http://gsemilia.it/userfiles/files/tobapilujobera.pdfIn PDF document text
  • http://flagrant-desir.com/userfiles/file/wajav.pdfIn PDF document text
  • https://keralatemples.info/ckfinder/userfiles/files/71223128462.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f053238ead---desotarevebijifezamikana.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/vopavupewexuvidikajesuxo.pdfIn PDF document text
  • http://biznesfishki.ru/files/userfiles/files/66051887757.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/54043353dbc45b2f571b346fbc514c75/78424620849.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/b2c140e84b81a4010f699cb719201384/51960521295.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc7a12eccc---xalagisabujigelutes.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/7e79b958eafca163bfb98621305826c1/69597575739.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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