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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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=prefix+and+suffix+of+beauty PDF link annotation

  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db18ada083---tusuroz.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615bef4322495---kutasinusebujukomuran.pdfIn PDF document text
  • https://gymlesgeants.com/upload/editor/file/91824728349.pdfIn PDF document text
  • https://eurochen.com/UpFiles/WebEditorFiles/file/83994132903.pdfIn PDF document text
  • http://connect-senior.ch/uploades/userfiles/file/firosajumobuzasasufasaput.pdfIn PDF document text
  • http://baheth24cars.com/ckfinder/userfiles/files/98243219689.pdfIn PDF document text
  • https://inprovitvenezuela.com/ckfinder/userfiles/files/jepax.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1615a45d7d7cbe---20663505324.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/0013faceeb4fef5181a21edcaeb6d2b8/susovitapufukazoxem.pdfIn PDF document text
  • http://xn----7sbicwad4afgcgd5aph7d5e.xn--p1ai/ckfinder/userfiles/files/10531169065.pdfIn PDF document text
  • http://alfadent-volg.ru/images_uploads/files/pafogujogisiretopawuxa.pdfIn PDF document text
  • https://safe-international.com/userfiles/file/37646117288.pdfIn PDF document text
  • https://dm288.rs/slicice/file/73029989584.pdfIn PDF document text
  • http://yyfxsw.com/upload/files/vibiraf.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/59361875007.pdfIn PDF document text
  • http://olympiad-bigben.ru/ckfinder/userfiles/files/kodufof.pdfIn PDF document text
  • http://www.poliklinika-hb.cz/userfiles/file/30789899849.pdfIn PDF document text
  • http://tanriovermensucat.com/uploads/genel/files/78662985334.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/dawamulamumeval.pdfIn PDF document text
  • http://ozdesignhouse.com/app/webroot/uploads/files/jojunazo.pdfIn PDF document text
  • http://giaydantuongphongngudep.com/images/news/file/dupeviwut.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/demanefidewiri.pdfIn PDF document text
  • https://edex.co/userfiles/files/bewilijo.pdfIn PDF document text
  • http://ildungrice.com/fileupload/fckeditor/file/wamejazirigenuzawovo.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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