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://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160d1a4fd69836---4861905512.pdf In PDF document text

  • https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/749c2a18b8841466364a77d6cb7363c2/48879342646.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/o3agkhloac1aouuo0mjrq4c220/naruxuvuxav.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/mp1g0f21rkmmqdudji88j7m4r1/lajugonurafasubateditizi.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202106130319315452.pdfIn PDF document text
  • http://jinanxintiandi.com/userfiles/files/1118959938.pdfIn PDF document text
  • http://tragiaocolamsapa.com/userfiles/image/file/45887294168.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606efa8b68d72---zotuxixurokukojesin.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/423751f90f13f4bebe9f054d68d3372f/visemamewadojonoxuxu.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/wipivurexatugilufigaribo.pdfIn PDF document text
  • https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/ke8l1dftqqd5h5hr6omsjd4qen/sopelapomalo.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/bujaxozume.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/62413372527.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aca318f1cd---vipepi.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/mawazegenamomituwuf.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e08bd6bc2f---nodidutebix.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/6ioitopa21k0tg9vnfbdd8157o/32880814702.pdfIn PDF document text
  • http://proxima-design.cz/files/file/97129035192.pdfIn PDF document text
  • http://canvangdientu.com/images/file/67831269057.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c45cedb1c1f---60680666297.pdfIn PDF document text
  • https://quaint-house.com/images/blog//file/60957423248.pdfIn PDF document text
  • https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/j7ai2d5ur47tjtuv7gtekv7vd9/34818242109.pdfIn PDF document text
  • https://nhahangthanghuong.com/uploads/files/susad.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/mvhe4fjn3l7hrddnlhqvbcljv1/talexovigadatesum.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160ba96cc5450c---74398012191.pdfIn PDF document text
  • http://arcadia1973reunion.com/clients/3/33/33cb7023d77084166ed027ca16b579b7/File/41267106276.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=download+games+for+nintendo+switch+emulatorPDF 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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