Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pistant.ru/uplcv?utm_term=quimica+a+ciencia+central+9+edi%C3%A7%C3%A3o+pdf+download PDF link annotation

  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b14f609ae8---97351180647.pdfIn PDF document text
  • http://mudrberanova.cz/userfiles/file/60102092953.pdfIn PDF document text
  • http://holidayinntorino.com/userfiles/files/kafitagelarevisi.pdfIn PDF document text
  • https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/6960355336.pdfIn PDF document text
  • http://ipmarketing.net/userfiles/file/giponolabafejexil.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b51d9f2d5d9---fizodajisodinewujuxowelo.pdfIn PDF document text
  • http://alliusie.com/userfiles/file/41202319165.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c5311ab5d87---58063365553.pdfIn PDF document text
  • https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/b2834201117bb8a8abe03b9bc22882f4/xaguguwasaxopatezi.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/olqvlujugtr1vsqt5dg5q9k1i5/fomojokasujeg.pdfIn PDF document text
  • http://www.greddy.com/admin/common/ckfinder/userfiles/File/sasitupu.pdfIn PDF document text
  • http://garderoba.sk/images/_file/pikotemirozagiborufizape.pdfIn PDF document text
  • http://candientuvibra.com/images/file/73509657994.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b1da390c607---tivisegineli.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/mimofux.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882a8e709f8---sazaregedopuza.pdfIn PDF document text
  • http://roland-toys.eu/userfiles/file/42403229332.pdfIn PDF document text
  • http://clinivetmadonnadirosa.eu/userfiles/files/xotuwawonatejop.pdfIn PDF document text
  • http://fosterfreezesantarosa.com/uploads/files/vigenije.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/nanuwirike.pdfIn PDF document text
  • https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/45ump3knmsh16kaj8i3bcgo147/fozuv.pdfIn PDF document text
  • https://optimustelecoms.com/ckfinder/userfiles/files/lobukafejupomoli.pdfIn PDF document text
  • http://gulfcoolcontracting.com/uploads/userfiles/file/file/dadosedulasewemekexojuwi.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/84009724038.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 extracted file (font_00_sfnt_off000226e0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000226e0.bin)

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