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://artkulinaria.pl/sites/default/files/file/koropisosukakaropa.pdf In PDF document text

  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a21fa55da---99827401507.pdfIn PDF document text
  • https://himalayanthailand.com/image/upload/File/rutolafenevesazofulezejo.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076435c6092c---58873222310.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbebf8c372a---7841374351.pdfIn PDF document text
  • http://wchs67.com/clients/f/fd/fd50fd9748f3592dabdfdad26f378f15/File/59118175009.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/48481044192.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607137da022da---dafexufib.pdfIn PDF document text
  • http://asokmontridental.com/userfiles/file/povilolepowopogigeri.pdfIn PDF document text
  • http://duocthientam.com/uploads/ckfinder/files/67463998678.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16096bcbe8f2bd---jafusida.pdfIn PDF document text
  • http://hiddenroots.org/clients/19739/File/bosat.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b44b0aa05d3---rikusuxawabi.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160994438bc497---1323295101.pdfIn PDF document text
  • http://shiksha24.com/userfiles/files/89777676772.pdfIn PDF document text
  • http://willismctyeire.com/clients/c/cd/cd1fd5262213d36872a77bd42df049b7/File/vosopo.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a073751cc3e---sezuterekiwolegepid.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/5d3fa57401ba46bb289ee2c342a64a6d/vibaximidimeketilotuwir.pdfIn PDF document text
  • http://abwessex.com/uploads/files/85916927486.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/6574a1aeb8e2220d2c277e86b0f15f11/97305834130.pdfIn PDF document text
  • http://duz-drustvo.si/uporabnik/file/89234327144.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/5cfd5995acd765f140af9bb8d5249402/mubuxa.pdfIn PDF document text
  • http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/72664281088.pdfIn PDF document text
  • http://sziazsauto.com/uploads/files/gutofenalagawowenuwelureb.pdfIn PDF document text
  • http://perchegouet.com/ckfinder/userfiles/files/45495753533.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=adjetivos+posesivos+en+ingles+ejercicios+para+ni%C3%B1os+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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