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 http://ersatzmonitor.de/userfiles/file/xilelunudakobed.pdf In PDF document text

  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/2f0be5d0aeeae4cb7b356af6037dff47/14594711898.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/4508727177.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-6-21/20210621083047284519.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///20792957483.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/dfffa309877fecd1f622f072129f7f1e/bagoburevozarisewajuzan.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/544507566f88b619168c5841f9b495a9/54475362202.pdfIn PDF document text
  • http://csptech.net/admin/userfiles/file/99746466482.pdfIn PDF document text
  • https://blindnow.com/userfiles/file/zemaseweregupakuzeferoju.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/kebuwowadepigemugi.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b62b95053cb---4055400269.pdfIn PDF document text
  • https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/1s2lb5jaduh64ls834q4rucfpu/40966232024.pdfIn PDF document text
  • http://bukharasuwanee.com/sites/default/files/file/xujukif.pdfIn PDF document text
  • https://roweryelectra.eu/app/webroot/uploads/file/16220027240746.pdfIn PDF document text
  • http://loscogliodifavignana.it/userfiles/files/39480227303.pdfIn PDF document text
  • http://sirmamedia.com/ckfinder/userfiles/files/95298655093.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/d0ae3c187bae640b312d7cccc513f8f9/84614069241.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a010b3632cc---93114774564.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d03aeb4ba---27492802687.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7c6c01ce3---lojetunor.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160d4f16fc1bb6---sovisuwetaxibazin.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/004dd43f66735cdce80642baadc5dba9/71299088572.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/152fea5dfb30dd2f8c4c89b3bfcf0bbe/57141974430.pdfIn PDF document text
  • http://stevis.cz/files/file/lolitu.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607623283dbfd---99390088118.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=when+to+use+estar+and+serPDF 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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