Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://martas.vodrsport.cz/uploads/files/10353334514.pdf In PDF document text

  • http://kamennykoberec.eu/editor_uploads/system/files/38288350630.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/vutmg74ok35hfa853hkvpfgv1q/vunop.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/9a2a9c6deb3b2f4cd796a4fece61ecac/939077006.pdfIn PDF document text
  • https://www.corpeverest.com/ckfinder/userfiles/files/17848891366.pdfIn PDF document text
  • https://granitnet.hu/editor_up/80550556734.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16139b73f93182---67362540163.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/31661546905.pdfIn PDF document text
  • http://budohurtsa.pl/userfiles/file/93905040945.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/86308785819.pdfIn PDF document text
  • https://alpinismbihor.ro/app/webroot/files/userfiles/files/73803310702.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/20219111034323938.pdfIn PDF document text
  • https://universitecentrale.net/uploads/FCK_files/file/37840702276.pdfIn PDF document text
  • http://capableapp.com/uploads/files/16754001100.pdfIn PDF document text
  • http://pro-group.ru/userfiles/files/lagotuf.pdfIn PDF document text
  • http://duancanhotot.com/upload/files/gepanok.pdfIn PDF document text
  • http://studiolauramoschini.it/userfiles/files/45204391441.pdfIn PDF document text
  • http://fecoil.com/userfiles/file/bulededesis.pdfIn PDF document text
  • https://bitree.com/ckfinder/userfiles/files/nelibepejiribixedepan.pdfIn PDF document text
  • http://ambcavallon.eu/userfiles/files/pozixepobumuvazoso.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/jezitisutevezipofip.pdfIn PDF document text
  • http://aaronandanthony.com/userfiles/files/88998270581.pdfIn PDF document text
  • https://rimi.sk/userfiles/file/nakajedaneme.pdfIn PDF document text
  • http://agilesolutions.in/uploads/96862938500.pdfIn PDF document text
  • http://yanartextil.com/firma/files/74333834728.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210905155051157705utev76.pdfIn PDF document text
  • http://unionnutritech.com/upload/files/38799376862.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=gta+5+visa+2+mod+for+gta+san+andreasPDF link annotation
  • 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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