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://irlanc.ru/uplcv?utm_term=diploma+in+automobile+engineering+syllabus+in+tamilnadu PDF link annotation

  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/251f68e80b177a08ec9e89287a322736/5892381122.pdfIn PDF document text
  • http://geobigoni.it/userfiles/files/bavivurakokid.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/6238501946.pdfIn PDF document text
  • https://nomaquito-travel.com/editor-images/54695728772.pdfIn PDF document text
  • http://championshipsportsrings.com/clients/23492/File/vosufudusazixuxodaviwamor.pdfIn PDF document text
  • http://biosite.ru/images/news/file/26271731997.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/9324102f43c6a5bf5d06eafdc1ade987/71224332875.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b55ca84164a---wodopazovubi.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/16435016130.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/59616a724784542ff677b5b285fb1ff4/roxefafogeralopeweri.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072fd8c379f8---27764512820.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe5ede91aa---40443295394.pdfIn PDF document text
  • https://webmenuplus.com/images/file/43527895501.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/tegarulikifam.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__60BD23B9281E3.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/68401b13479b62fd4daaf608251e5ed4/pipize.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c95931b2ca---76622004773.pdfIn PDF document text
  • http://northcity.rs/slike/files/36224807654.pdfIn PDF document text
  • http://m2m2design.com/userfiles/5746408308.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/3asfri3pqkvtcag5jgpucistc4/ranubosideripidogopevejox.pdfIn PDF document text
  • http://maurovalleferroarchitetto.eu/userfiles/files/wodorisapiba.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160d1b2907717e---24486767568.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/aa102e2c662fe04c8bc5f689c4b8a66f/vibakef.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ac31e5ea65b---furomasajotezalefira.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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