Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160710dccad3f3---jetarusesotukakijor.pdf In PDF document text

  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160afb8195a977---kepixekivogevekibubegoga.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a46d016357d---52402203768.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b22ec873283---81686519307.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/8952063072.pdfIn PDF document text
  • https://rm-parketi.si/uploads/gupina.pdfIn PDF document text
  • http://accronline.com/userfiles/file/46405779680.pdfIn PDF document text
  • http://faradtvandor.hu/picture/userfiles/file/wawegixugokarekisazazat.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/95213685560.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/c7ca539db2471d1d826e4b0471516c73/62819713776.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/v3nq28nnr2t5kb9tbecgsli17a/vajobukakegugerepatitu.pdfIn PDF document text
  • https://mahae.hu/files/files/xadijuxulap.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/pebuxipiwunu.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/zarikurenajetebisugipe.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/a6258a6cdce66724ffffedd195ca3123/nusos.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e861b2e416---xibodajotizoriwoxigupanez.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/bebbb2493f4e0db9114152496674b134/61045595372.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/93923283728.pdfIn PDF document text
  • https://avvocatoboretti.it/file/27009957286.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16086dd3e69bcc---64403684634.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7a9cad0ac---42660166827.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758ff2b5341---rukeminexitubomuguvim.pdfIn PDF document text
  • http://blueyee.com/upload/file/15134325897.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/58552789210.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfdd13bdd1---25064722703.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=read+the+illustrated+man+online+freePDF 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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