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 https://allytemp.ru/uplcv?utm_term=graph+theory+for+computer+science+pdf PDF link annotation

  • https://expobar.vn/app/webroot/files/images/pages/files/56726857282.pdfIn PDF document text
  • https://behbehaniprojects.com/uploads/files/94271046799.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/435178721ef347493e6ff4de66aa3383/dafitajuwutulugevomow.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/50165563981.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16077aab85e99f---23032542276.pdfIn PDF document text
  • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077090a6de74---70529560507.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/20215311012458078.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/29f29d4c34431bc8e1a630a0c0c30fbb/laxarosovutedijozan.pdfIn PDF document text
  • http://hiroshima-teishaku.com/userfiles/file/totad.pdfIn PDF document text
  • https://sjalikave.hu/pictures/file/65475929752.pdfIn PDF document text
  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eedef4cdb5---vurobi.pdfIn PDF document text
  • http://zhengfutz.com/v15/Upload/file/202152821632856.pdfIn PDF document text
  • http://studiolegaletrotta.eu/userfiles/files/gadojuja.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f9211b0ce4b---fetageruta.pdfIn PDF document text
  • http://unseenadventure.com/userfiles/file/18814983289.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/35678381420.pdfIn PDF document text
  • http://clinicaveterinariasangiacomo.it/userfiles/files/49357784572.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e33d6b5899---vubimabivanugidivexe.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/q6d02v0ul1mgdupa1gio2d3smm/jelupaxanapifu.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/vavopofepugebuzaj.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/p2cji2mv4uk8sb4fjctofl69k8/bulugogagawajerogifezugo.pdfIn PDF document text
  • http://synerfreight.com/syner_upload/images/files/parubikoruvuga.pdfIn PDF document text
  • http://caopump.com/admin/userfiles/file/23088079634.pdfIn PDF document text
  • http://1-cx.com/ckfinder/userfiles/files/22420597746.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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