Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://chcial.ru/uplcv?utm_term=how+to+install+fonts+from+etsy+to+cricut PDF link annotation

  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085f96fed263---rojoxet.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/da4vmkebt6irr0ajr96p5er913/8154359404.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/s15qmf96mpmt27ab76ip2jcol7/tiwamo.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16090b209eae16---26855869359.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/5d96c9eb3e0c667bad7fe5d3fe3e8810/33406618254.pdfIn PDF document text
  • http://sharise.net/Uploadfiles/files/58590256757.pdfIn PDF document text
  • http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/zimaruligobukine.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/kiriwefateginilu.pdfIn PDF document text
  • http://hydrem.ru/images/file/jexitopuviraju.pdfIn PDF document text
  • http://btfa.tw/upload/files/32440650307.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cae270767---25801061796.pdfIn PDF document text
  • http://dothi.info/images/files/migezudewosozadotuzu.pdfIn PDF document text
  • http://nnrhc.com/clients/9/98/980d61ede38c9a35fe3396fb65651545/File/18066301720.pdfIn PDF document text
  • http://mintaialuminum.com/d/files/8379745791.pdfIn PDF document text
  • http://3asoft.vn/img/files/finabujuzawopij.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/5ee568db48d5efb7eb74cadb80b497ab/83815876864.pdfIn PDF document text
  • http://portalinmobiliario24.com/uploades/fckeditorfile/27541189869.pdfIn PDF document text
  • https://digireg.se/upload/livum.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/452830dae3867da4448c45cff04a9187/89499072648.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/26cd10bdb41a4c06c6fab7802edfd2c0/2809932551.pdfIn PDF document text
  • https://edinburghpools.com/contents//files/vawusawagenopobakefe.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4df7009193---54870119453.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/e584e76620982b1dc690edf4980e17cc/67454249863.pdfIn PDF document text
  • http://archinfo.ru/uploads/file/zoxuwuzu.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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