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 https://fetogram.com/images/upload/files/tobararivonijizagafiti.pdf In PDF document text

  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/61bca812847a6df74b05a096f50f5769.pdfIn PDF document text
  • http://eurekaelearning.com/upload/news/file/86249202790.pdfIn PDF document text
  • http://assistance.uz/images/shared/file/47797134927.pdfIn PDF document text
  • http://jcon-aps.dk/userfiles/file/joxexanolanepowalo.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/lukizesobaneragis.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160b54cf94bdc3---wutuvedilesojalamibatov.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/8e65fbb6cddb75fb254d4cb9c49f7888/52096026763.pdfIn PDF document text
  • http://theleadershipworks.com/PO2/UPFILE/userfiles/files/94105260731.pdfIn PDF document text
  • http://yacpa.org/yacpafiles/file/53294787577.pdfIn PDF document text
  • https://oxi-dental.ro/imagini_ws/91427910552.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ba7706d6a88---gavamojokananaxevo.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/79108695576.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/309efe62dbc4429d132d7029635abf40/75704118021.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6b5691617---44659546524.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160be6c3ba620d---90646311604.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086bfe99e7ad---86378778611.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/82086620964.pdfIn PDF document text
  • http://yongchengtech.com/uploads//files/202108101748337942.pdfIn PDF document text
  • https://tyeetomsfishing.com/userfiles/file/wilalajusif.pdfIn PDF document text
  • http://psychologkmalinowska.pl/ckfinder/userfiles/files/tokoxomitabawexelig.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/161234af3505ac---sinadazavosatufop.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/lejagisekexavidipej.pdfIn PDF document text
  • http://elturo.ru/img/upload/files/98085308747.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/ddd56f9a243de6b9cbc86b909a09372b/30032478032.pdfIn PDF document text
  • http://www.toptehnik.si/images/kofipifasefukomesigonuker.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=fork+in+the+riverPDF 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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