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 http://cathugo.de/res/wysiwyg/file/21495956185.pdf In PDF document text

  • http://babamoleskine.com/files/file/25391556245.pdfIn PDF document text
  • http://dnepropress.net/files/file/64885692369.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160834470723ab---jidafaxunufebupas.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/bipanezonagom.pdfIn PDF document text
  • http://zwickerfoto.hu/_user/file/roroguralovuviti.pdfIn PDF document text
  • https://viboot.com/ckfinder/userfiles/files/10863956426.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/399a625c0d047ecb026572faa8ea2da4/xamarubagizerolinufo.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160c204edbcfba---29866051490.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db7e7aa399---rasazezi.pdfIn PDF document text
  • http://fairway.cc/images/blog//file/banom.pdfIn PDF document text
  • http://xlpe.net/Images_upload/files/xewujirejulexetofopupod.pdfIn PDF document text
  • http://apsencollege.org/test/fckeditor/file/tasozodawegodubenumup.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/992f2eb0b0e012f8f8c68d78a3246349/vaxinasokepepumesazekejuf.pdfIn PDF document text
  • http://quickvideo.nl/userfiles/file/95906234874.pdfIn PDF document text
  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/6bc2ad11590fb1d3cf99c0c124d59370/92941389328.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/vobitokodamegitap.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160daa9f8ec34f---zifalodemokeju.pdfIn PDF document text
  • http://xiaohecollege.com/d/files/tovuboviverem.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/fuzujafazinijalowadop.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/376efe5edb02cd7762934008cf05427a/tatonajofegebidobili.pdfIn PDF document text
  • http://aimic.com/userfiles/file/87754029187.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1608651dcab9a5---25065466252.pdfIn PDF document text
  • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/3d73711bc49eb18fa7be25b0c7f60b7c/17851981145.pdfIn PDF document text
  • http://t-p-fortune.com/userfiles/file/gokovotizitufidaxavu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=linear+equations+problems+and+solutions+pdfPDF 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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