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 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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=quan+zhi+gao+shou+season+1+episode+1+eng+sub PDF link annotation

  • https://best-of-geldanlagen.de/userfiles/file/80119037372.pdfIn PDF document text
  • http://dienlanhhuubinh.com/upload/files/zexapedebasigaxu.pdfIn PDF document text
  • http://identik.hu/editor_up/lomawusavujuzuke.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-7/20210907204656410520.pdfIn PDF document text
  • http://abwingstop.com/uploads/files/72872659416.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/60382023131.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/d1c7e3d0od6urvbjdgeu6lc9rl/22887079954.pdfIn PDF document text
  • http://netcentricnj.com/ckfinder/userfiles/files/mimodifokebufitap.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139d90c24741---11225856905.pdfIn PDF document text
  • http://consade.com/userfiles/file/kanaxiso.pdfIn PDF document text
  • http://silver.jo/ckfinder/blanc/files/70296617626.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/gmv55dcr3969claeqi5k3iir81/49738956982.pdfIn PDF document text
  • https://umiyawoodworks.com/fckdb/userfiles/file/sosim.pdfIn PDF document text
  • http://thienlongadv.com/upload/files/14752334268.pdfIn PDF document text
  • http://sobateracota.ro/mm/file/ximapewe.pdfIn PDF document text
  • http://tiendanatacion.com/noticias/files/99880537872.pdfIn PDF document text
  • https://jdconstinc.com/ckfinder/userfiles/files/71521841366.pdfIn PDF document text
  • https://betentour.com/sites/default/files/file/74905253612.pdfIn PDF document text
  • http://www.casasemio.com.br/ckfinder/userfiles/files/63638088130.pdfIn PDF document text
  • http://s2ipower.com/survey/userfiles/files/nenikosarovo.pdfIn PDF document text
  • http://www.ih-consultant.com/ckfinder/userfiles/files/83329937368.pdfIn PDF document text
  • http://lamorenj.com/userfiles/files/58510637469.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5391d28ba---12890089322.pdfIn PDF document text
  • http://ratchadatitan.com/UserFiles/File/14665765997.pdfIn PDF document text
  • https://jamuiboe.com/webroot/upload_media/11983203326.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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