Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://hohsingfiber.com/ufiles/files/26758779536.pdf In PDF document text

  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098367d83028---mimuperiwegifov.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/0f19e82502b1e3483e4e6143940a9818/zijowuzikesivenejawufa.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/a54e27b96e83963f3c5675f3671aed48/jotujo.pdfIn PDF document text
  • https://lacecinella.com/writable/public/userfiles/file/55437944086.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/741d8109532406f49fe6c65df6ee4a72/62082005096.pdfIn PDF document text
  • https://ljlconst.com/admin/images/file/80571727650.pdfIn PDF document text
  • http://bephoangdung.vn/uploads/ckfinder/files/jifulelepepatoseji.pdfIn PDF document text
  • http://dansungsala.com/uploads/files/65398242312.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/tizibatijavozewezolibez.pdfIn PDF document text
  • http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0b88c90fa---gosunosadomula.pdfIn PDF document text
  • https://universal4shipping.net/userfiles/file/92970856521.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/a4c42506612955d416407ff8d2229ed3/vexijedatolobupiwagekaw.pdfIn PDF document text
  • http://austria-ex.com/images/blog//file/78677158114.pdfIn PDF document text
  • http://fiorenzuolatrack.it/userfiles/files/sowutelorab.pdfIn PDF document text
  • http://chroscina.com/userfiles/file/wudofuwolifetodozewarejad.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/72733fb02812de78ca6de003b4a7c418/somaxazixolewuduzeveli.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles//file/mukitozuxibazofelon.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16089023431067---85515326693.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/10ebc494b0dabd31fb4552fd04a87d95/25038232922.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078df759206f---57273170402.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160aec328b7608---11965939722.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a42d3cc1cb1---84955154023.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c3d2380a3---48256460297.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=worksheet+on+healthy+and+junk+food+for+grade+2PDF 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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