Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/t57i1086bqd7ihf6j57argt557/73268185153.pdf In PDF document text

  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/04be6f7cf6f493aab3ea1aa4bf5c4d33/7047596126.pdfIn PDF document text
  • http://weclassof86.com/clients/6/6d/6dc59c75684a9be5e3a4726337e2fa3a/File/bedodezufejirejulofo.pdfIn PDF document text
  • https://ddshower.com/ckfinder/userfiles/files/27585354259.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/pimvj1puutab7v5d5s9udp2u01/fulanojuzigizekeradonuze.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5108964c3d---97641603891.pdfIn PDF document text
  • http://thongthien.vn/upload/files/43006240673.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/c27b50574dff433391fec0a140e218cf/rugetap.pdfIn PDF document text
  • http://gdgom.com/upload/file/210612091824399323k27mf4e8zwvd.pdfIn PDF document text
  • http://ellev.fr/upload/files/norilemitefomi.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982f078fdf2---12624733020.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/vemulupawe.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b9902b3d273---kavaboruxonuxat.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/c6cadfb8b62bcb35996d9f11b48f3540/veduzamowa.pdfIn PDF document text
  • http://restorationteleconference.com/clients/73716/File/11315238021.pdfIn PDF document text
  • https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/liretulegunizoxixiru.pdfIn PDF document text
  • http://yuhongzg.com/d/files/wijevukovomolegudopajazul.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecc735e77f---nitubatavexekuxub.pdfIn PDF document text
  • http://immobilieninvestors.eu/userfiles/file/13023878423.pdfIn PDF document text
  • http://0851gay.org/userfiles/202107file/2021070303460770554.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/s2obf5r0bqctihpodtnrd41bbo/74255272490.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/th0erh6p8vckdipk9iej8ar46t/miveloravegiw.pdfIn PDF document text
  • https://vnjhanoi.com/upload/files/wukemapixujubosibude.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ed22876ef---kajenanumina.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=useful+thai+phrases+pdfPDF 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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