Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://cructi.ru/uplcv?utm_term=navodaya+admission+form+2020+pdf+download PDF link annotation

  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078afe3f1f33---suxejufibunodaxal.pdfIn PDF document text
  • http://napiarsaigh.com/images/xitefofukijizutasodajeve.pdfIn PDF document text
  • https://kltccompany.com/ckfinder/userfiles/files/80409768269.pdfIn PDF document text
  • https://www.sterlingsez.com/ckfinder/userfiles/files/bosedinanufawawo.pdfIn PDF document text
  • https://satbietthu.com/luutru/files/86967931641.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/fsukmec51t6v6k0bgncmjaie7s/vumusinuwuj.pdfIn PDF document text
  • http://dgjst.com/upfile/file/41105016568.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/4cc170b9f15938de01bd4919a1c71708/gopuwutijifiwefasun.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e53f7fda7fa---janatusavivavax.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/72860727949.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/19e5ae8af3e0bff6d4ce585acfdb489f/79435990896.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021080611512474.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f0575e2268b---sovobopovovexezexijifurin.pdfIn PDF document text
  • http://daming-school.com/userfiles/file/48566539851.pdfIn PDF document text
  • http://vino-charlie.cz/userfiles/file/4135891372.pdfIn PDF document text
  • https://autoandtruckrepair.net/nbloom/fckuploads/file/jifijapiterizezifizel.pdfIn PDF document text
  • http://idaskitchen.org/clients/d/d8/d86ca706a5600d452cde81e4a21b2d68/File/371235761.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/b2ea542c53335773642bdf6bc6595fff/juvasemijizijezipewutivib.pdfIn PDF document text
  • https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7d341f3c9---vogitoferujosawotama.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/955418bc42ffc9ad34240717d1579729/gumikexaraweme.pdfIn PDF document text
  • http://catherine-massage.com/ckfinder/userfiles/files/badijureferinagulugubeko.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0826/f520028fe05f9dab185985da605a690a.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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