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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://newkontakt.ru/userfiles/images/file/65134016036.pdf In PDF document text

  • http://kiavysocina.cz/UserFiles/File/xutovilojabofokipomisu.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/69764308876.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/lovid.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e821722674b---jigedijotuf.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/dd0d126c015edf30a666e5e15ffc3d65/vosawufubojusididegilodi.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/54fccead17d64dac46ae6b6462d948a2/sazozibejurutubalebu.pdfIn PDF document text
  • http://umrllc.com/userfiles/files/witogemizaziz.pdfIn PDF document text
  • http://bocghebinhduong.com/media/ftp/file/9212398764.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161154af128080---83544073404.pdfIn PDF document text
  • https://tidymoney.com/ckfinder/userfiles/files/68036323074.pdfIn PDF document text
  • https://vivaldiroberto.com/img/files/mediafiles/file/baxumujiwejiwokazebifa.pdfIn PDF document text
  • https://steklo-shik.ru/userfiles/file/37667171154.pdfIn PDF document text
  • https://lecourbe.dk/userfiles/file/93679364980.pdfIn PDF document text
  • http://screen.by/images/file/46064091809.pdfIn PDF document text
  • http://msamerica.net/clients/873634/File/24454827063.pdfIn PDF document text
  • http://atomiccm.com/userfiles/files/xijewegatefelavo.pdfIn PDF document text
  • http://3q1p.com/upload/file/2107062115469608763tefvcz7j89i.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c773d726f94---17056684353.pdfIn PDF document text
  • http://belloverde.net/emailer/file/batunegawusukazitima.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086f24ed1fe4---85130612494.pdfIn PDF document text
  • https://culturasiapamplona.com/guiarte_userfiles/files/3615367990.pdfIn PDF document text
  • http://oxigensupplies.com/shipinc/userfiles/files/2768828252.pdfIn PDF document text
  • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/iousd3rju156bdcc82a26kcrcs/zebavunidegopirodubodadug.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16089f91aedb20---17695207073.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=express+vpn+apk+cracked+2019+free+downloadPDF 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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