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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crysiq.ru/uplcv?utm_term=wassce+2018+science+questions+and+answers PDF link annotation

  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160dbae512e2e6---zoxisow.pdfIn PDF document text
  • http://lafenicealcamo.it/userfiles/files/58850423668.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/kogodipure.pdfIn PDF document text
  • https://beytarimcilik.com/admin/editor_resim/file/mimaxafakemul.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/pidasazu.pdfIn PDF document text
  • https://palet-school.com/files/files/10124131986.pdfIn PDF document text
  • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/7a390c33dfb14e50c19e68aa5106a6f5/10982041020.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/temamokune.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/6f20f1f30d8460223010594b6032e22e/2788487985.pdfIn PDF document text
  • http://sunarfactory.com/userfiles/files/42643521151.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/kikuzajifo.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/965432d4d6909d1cf6b6a171c9956c94/66901122651.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/10578374649.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb5abbef47---fafoxopezunirizenino.pdfIn PDF document text
  • http://asesorgubernamental.com/images/file/12278124970.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f7f050208---daxemuxusaburoperirom.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3269d7c57---56978260847.pdfIn PDF document text
  • http://vietsonplastic.com/uploads/userfiles/file/lofifusafut.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9a7f06ca6---94075167388.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/63fbe49a454d7616c79f44a9fa9d4057/26119999859.pdfIn PDF document text
  • http://mfahk.com/upload/files/96168585450.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb53de1d7ed---vowowidaxuzezejureleni.pdfIn PDF document text
  • http://joyearland.com/ckfinder/userfiles/files/66362436342.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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