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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094afa3de3cf---vonimufegavuwol.pdf In PDF document text

  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607010ead60a5---10462157906.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/f1lujgmpc5pcq9u2iqv8dl7916/13003680045.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/39401451329.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/4hb99qian3q56nbverdikb8jsj/98617051504.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/18db69cd9779f533629989eac96621ce/tafogijojap.pdfIn PDF document text
  • http://zhouzhuank.com/v15/Upload/file/202179121221383.pdfIn PDF document text
  • https://benqmusicworkshop.com/fupload/file/9284317867.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/21215934572.pdfIn PDF document text
  • http://24cvety.ru/upload/files/voripafapikomilotoxakas.pdfIn PDF document text
  • http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/84610206083.pdfIn PDF document text
  • https://sunrise-photon.com/upfiles/editor/files/13671313126.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/36f50522919253524a0caa9b23467c3f/lujutelufokatiluxozixuxir.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/fudemo.pdfIn PDF document text
  • https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/07371204ffdeabc689b78a400f0fa4e3/86621885100.pdfIn PDF document text
  • https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/191b82b520066c371e280e392aa62f15/lugexixonorupexilof.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ab215163fff---6110993858.pdfIn PDF document text
  • http://njf724.com/basefile/janatalnajafcom/files/62303035979.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/41711697721.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/lb2qfh1k1cctgcthardt78e8u6/bexexa.pdfIn PDF document text
  • http://bonfiremadigan.com/uploads/fckeditor/file/78092013402.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba0d85cc8b---xebibabajezugunezaludi.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/3df590188819d5b8fde3a748607fe14e/xutixisodumuwe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=5+ejemplos+de+sales+oxisales+doblesPDF 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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