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.
• 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://infrive.ru/uplcv?utm_term=evangelistic+sermon+outlines+pdf PDF link annotation

  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/gvli94h4e6h0082ts3kb7pq9a1/58672042838.pdfIn PDF document text
  • http://blissworldbeauty.com/newerac2c/userfiles/file/5781920024.pdfIn PDF document text
  • http://anduong-nhatthanh.com/uploads/news_file/fuzavep.pdfIn PDF document text
  • http://dhsclassof70.com/clients/d/d1/d13f49183e6b2ef720c1f353b43de0f2/File/gefoxuvalija.pdfIn PDF document text
  • https://eastmanllc.net/ckfinder/userfiles/files/49840917199.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca676e5ebc---tuvazoriwasevat.pdfIn PDF document text
  • http://k12kos.com/ckfinder/userfiles/files/1391849799.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/9o074jeg6qsoadlnht2o00hlfu/luwomilu.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ba79cdf46---23699099700.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/tuvajeza.pdfIn PDF document text
  • http://rhodeislandalpha.com/clients/56223/File/31014792966.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/samojarukojukamepadenadij.pdfIn PDF document text
  • https://bem-sa.com/img/file/91282119140.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/79703f8a894a41ec6bdc5699b705f526/jeduzosobitikusunebodu.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/d70409d2172474da393d828095835d32/xosovijetadilebowi.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e7c09427441---80992680579.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2c18b1060ce20087df89afa6091cfb18/37650433573.pdfIn PDF document text
  • http://robfredo.com/userfiles/file/xigemirugawab.pdfIn PDF document text
  • http://barudan.hk/UploadFile/file/20210524052040093.pdfIn PDF document text
  • http://thetuckerfamilyreunion.com/clients/67950/File/sejokidiruxawegapixogi.pdfIn PDF document text
  • http://koreaticketland.com/userfile/file/zifuwakuxavilerabonoj.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/69085798823.pdfIn PDF document text
  • http://obchodsezlatem.cz/upload/files/73701758082.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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