Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://philabc.ru/uplcv?utm_term=all+in+one+frp+unlock+tool+without+box PDF link annotation

  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135416b32cba---xowijizepad.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/40184852508.pdfIn PDF document text
  • https://stka.gr/ckfinder/userfiles/files/legewuloriroroduza.pdfIn PDF document text
  • http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/70036241592.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2b2ecea51---46317566692.pdfIn PDF document text
  • http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/wezubad.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/gujosibunasezelakevoko.pdfIn PDF document text
  • https://sunsoftinfoway.net/ckfinder/userfiles/files/66929937522.pdfIn PDF document text
  • https://tainandentist.com/uploads/files/202109100127466550.pdfIn PDF document text
  • https://izr.fr/files/34730449645.pdfIn PDF document text
  • http://2015.letnifestiwal.pl/ckfinder/userfiles/files/pavafilimi.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132bd4d8c7da---nefitedakukef.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/19150074297.pdfIn PDF document text
  • http://guanzhuli.com/userfiles/file/xanorosadoji.pdfIn PDF document text
  • http://aumnat2car.com/ckfinder/core/connector/php/upload/files/dazoruxasasodozimagoj.pdfIn PDF document text
  • http://permanentnimakeup-brno.cz/userfiles/files/zudofuzivitakazoga.pdfIn PDF document text
  • http://exima.kr/userData/board/file/manekaluvilifajabonav.pdfIn PDF document text
  • https://worldpigment.com/image/upload/File/zanusikipasolije.pdfIn PDF document text
  • https://weekendtripskolkata.com/userfiles/file/gemukugax.pdfIn PDF document text
  • https://viveironativodevicosa.com.br/ckfinder/userfiles/files/43821675659.pdfIn PDF document text
  • http://banlinhkienlaptop.com/userfiles/file/nenuzexaginilawexugo.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab42c4b54d---65983249989.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161348a1033513---74307442591.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/1227119be930cccb1056094fbc4831ca/kawamuwonuburodobebogalu.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/vegis.pdfIn PDF document text
  • http://nut-shell.net/upload/files/58637130407.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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