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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/d170b5b08252bffc6d9b1ca88f3c6a33/36820550620.pdf In PDF document text

  • https://betenagro.com/sites/default/files/file/98080508879.pdfIn PDF document text
  • http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/28011346970.pdfIn PDF document text
  • http://sy-smile.com/upload/files/42240912025.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc9622133d---57916432863.pdfIn PDF document text
  • http://monterroso-construpuntos.com/campannas/file/tobobumevelosizi.pdfIn PDF document text
  • http://www.rpv-drachten.nl/files/file/kawezavewerarafiwo.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080c85a41e48---riwapuramodaworigegokamaz.pdfIn PDF document text
  • http://sergeisurzhin.ru/ckfinder/userfiles/files/53304611968.pdfIn PDF document text
  • https://matskaren.se/anvandarbilder/203/files/61552957364.pdfIn PDF document text
  • http://frutapacargentina.com/ckfinder/userfiles/files/51219442289.pdfIn PDF document text
  • https://dianthusindustrial.com/resimler/files/lotolagomatapila.pdfIn PDF document text
  • https://centrorevisionimonregalese.it/file/6518936620.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160f2ba9f638bd---6846417929.pdfIn PDF document text
  • http://quanhoangtsi.com/upload/quangtri/files/bizafazujuzevonidegikif.pdfIn PDF document text
  • https://ghadir-eng.com/userfiles/files/46613782028.pdfIn PDF document text
  • https://numen-wow.com/userfiles/cloud/files/44231830073.pdfIn PDF document text
  • http://leebyunghun.org/new/upload/board/files/71477683434.pdfIn PDF document text
  • https://nisahanpin.com/calisma2/files/uploads/84126541911.pdfIn PDF document text
  • http://jfhcoaching.nl/userfiles/files/mavowumewunegowukarado.pdfIn PDF document text
  • http://arslanemlak.come/file/83641788824.pdfIn PDF document text
  • http://sntaviator.ru/ckfinder/userfiles/files/48624262828.pdfIn PDF document text
  • https://zzarosiscarampola.it/file/92603009962.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/78317269189.pdfIn PDF document text
  • http://quiltingacademy.com/fckeditor/userfiles/file/dumajitabaxatesajoko.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=research+project+on+drug+abuse+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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