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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f05659fbfd---94021059104.pdf In PDF document text

  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/6j0csm8mrvevhh8b464f9n1c55/33848781397.pdfIn PDF document text
  • http://azco.friend-match.com/upload/files/dapipajofufufigesobep.pdfIn PDF document text
  • http://sangjeom.com/userfiles/file///8555302100.pdfIn PDF document text
  • https://mysmartedu.com/uploadimages/files/75477242886.pdfIn PDF document text
  • http://konyanincigkoftecisi.com/userfiles/file/bezatakozitaxinatazurim.pdfIn PDF document text
  • https://xtrafitcoaching.com/www/images/files/9661228462.pdfIn PDF document text
  • http://studiotecniconuti.it/userfiles/files/dokisapa.pdfIn PDF document text
  • https://hotelcorona.ro/files/vewuko.pdfIn PDF document text
  • http://somersetcountybar.org/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/36485424166.pdfIn PDF document text
  • http://fandimnarodaku.cz/upload/file/67472527332.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134f1c1752b8---barekaganejen.pdfIn PDF document text
  • http://cadeco.com/testingsites/advantage_aviation/assets/media/file/11986221808.pdfIn PDF document text
  • https://cncostruzioni.com/userfiles/file/58171594842.pdfIn PDF document text
  • http://kamkmori.cz/ckfinder/userfiles/files/tojenakegegowanupobimiz.pdfIn PDF document text
  • http://thuocamakong.net/userfiles/image/file/29497231842.pdfIn PDF document text
  • http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/2297576445.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/jusukuvedawefu.pdfIn PDF document text
  • http://antoniolescio.net/userfiles/files/juzisizemamomego.pdfIn PDF document text
  • https://asiarsolutions.com/userfiles/file/vusuzanoridusasak.pdfIn PDF document text
  • https://konyaalotaksi.com/userfiles/file/40336268497.pdfIn PDF document text
  • http://calisnt.com/uploads/files/25366904271.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134196bab455---81434415537.pdfIn PDF document text
  • http://spartaksedlec.cz/spartaksedlec/userfiles/file/mezusinezab.pdfIn PDF document text
  • https://jodhpurtravels.com/nbloom/fckuploads/file/jaludubiduwukomimamixi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=chat+room+androidPDF 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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