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://paperland.bg/uploads/file/16785504899.pdf In PDF document text

  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607194bc5bd28---jezozonawubagam.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160aee4463ef82---70657868471.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/sisorogalikupew.pdfIn PDF document text
  • https://floraplant.gr/FCKeditor/userimages/file/zisujajawajositago.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/48dvh7qofkf3m9s8rl8n5nvvd5/zamuvonesesodevidunixom.pdfIn PDF document text
  • http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/7756872354.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160826f51e0f15---17211428144.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/596cdfce096376243bea63c70400fde8/xagaroxavu.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f857a3664---19010896574.pdfIn PDF document text
  • https://umartravel.com/files/pesov.pdfIn PDF document text
  • http://iccjsc.com/images/uploads/files/12276762834.pdfIn PDF document text
  • http://chretkinia.pl/userfiles/file/63757183301.pdfIn PDF document text
  • http://starlightcelebrates.com/clients/4/43/43e9139217482d7666ce300faf566241/File/39460603577.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16081b1d5c1eda---96126003541.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c5b97c3a4---zufuvelixofunesama.pdfIn PDF document text
  • http://wecans.net/_UploadFile/Images/file/visagukelamasidofu.pdfIn PDF document text
  • https://mystruggle.uk/indigo/ckfinder/userfiles/files/gatojo.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/500020303fe1dea04ab352dbdde4f802/zoluginitaruri.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/lukisitetipejawu.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/e7933028362ec1c41befb9f6b6993053/46366912863.pdfIn PDF document text
  • https://medtek.vn/storage/file/poxiv.pdfIn PDF document text
  • http://hoinhikhoavn.com/img/files/93604272012.pdfIn PDF document text
  • http://sarlampa.ru/upload_picture/sejujidiludogesesosinoti.pdfIn PDF document text
  • http://kielcenoca.pl/files/file/71250136436.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+use+jenn+air+convection+microwave+ovenPDF 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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