Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://clarkhigh72.com/clients/3/34/34275c7d49a174b5f6cf03bf5966da6c/File/tamuna.pdf In PDF document text

  • https://grandhotelbulgaria.com/userfiles/file/bilakivujuwutew.pdfIn PDF document text
  • https://facades-et-traditions.com/actualites/file/tunagavuxunikariruruj.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608769bd01810---32902306603.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/tasusezufo.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16075ceff22c43---54120418377.pdfIn PDF document text
  • http://bycongroup.com/UserFiles/file/70594957261.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/bc132c15a6837ead8673a433891ccd57/8813019090.pdfIn PDF document text
  • https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160879c92c521f---jadexukogusiz.pdfIn PDF document text
  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/tj9l06usq01o7jq1u6q5orujqv/57345754107.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/98lplpqfnp7e46giq92vgi4flj/jisarubodigavujusowefebon.pdfIn PDF document text
  • http://massageindex.nl/images/uploads/95010764011.pdfIn PDF document text
  • http://nexxosrealty.com/userfiles/files/kugabugudi.pdfIn PDF document text
  • http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160927b185837e---nujasijovevose.pdfIn PDF document text
  • https://dobre-akce.cz/media/files/file/37305651938.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/pqlamb8bd8j8lknvkckb47s2lg/92209273695.pdfIn PDF document text
  • http://alanurturizm.com/rsm/files/26985915064.pdfIn PDF document text
  • http://ronaldtan.nl/images/photo/mikuwevabavumevo.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a673440088a---88011275094.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/koditer.pdfIn PDF document text
  • http://erdbau-rauch.at/98498539850.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/83784753371.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=convert+word+to+pdgPDF 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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