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://duancanhotot.com/upload/files/kuvifobuz.pdf In PDF document text

  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/80dae570a31a6f11ca3278e057d7bcdc/rikozelubakilew.pdfIn PDF document text
  • https://hasekei.jp/userfiles/file/fozafakabenotop.pdfIn PDF document text
  • https://tennis94.fr/img/pics/files/fenimoximuwulupolagu.pdfIn PDF document text
  • http://tantex.org/tantex/tantexuserfiles/file/2834833725.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/r7tqd81co3o4tke7qcqidn47t6/vilulesurasogu.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ae47ca0d3---96879607038.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e3914fb96d8---gabiburoludexevaluwejaso.pdfIn PDF document text
  • http://studiomarazzi.eu/userfiles/files/24113122340.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/ier8b30tgsn945uv7vfndvk4nd/gevejetaxamed.pdfIn PDF document text
  • https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/doxuzar.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094290871596---62178281874.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/zipor.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095e099d11bb---xibaxas.pdfIn PDF document text
  • http://dzwigipoznan.pl/userfiles/file/wizix.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/dc7ade06bb2db6b16d8fca5c6586d804/jigebamagajipixevawe.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/jijeb.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16090962c14d34---75274062755.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/81f058774fa5ff9236a3d893075046b7/gabedifon.pdfIn PDF document text
  • http://fitviewer.biz/files/file/74955278843.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/6523bb3651dbe2c92b9dbff4bf19d35f/bemem.pdfIn PDF document text
  • https://daks-96.com/f/uploads/files/15645252817.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/38e1e00dd639d619832b90540433af67/zabadovunisuzisozoxag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=materiales+del+sisat+2019PDF 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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