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://philabc.ru/uplcv?utm_term=android+fb+com PDF link annotation

  • http://epoch-making.jp/js/upload/files/kokopalixikabef.pdfIn PDF document text
  • http://karaokejdi.com/ckfinder/core/connector/php/upload/files/56775421920.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/sttbqgqb4unrf0lac0i44hmke2/92626990268.pdfIn PDF document text
  • https://bahia-group.com/ckfinder/userfiles/files/38798682622.pdfIn PDF document text
  • https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/mogalotafojixo.pdfIn PDF document text
  • http://bischofs-scheune.de/userfiles/file/fepagijovi.pdfIn PDF document text
  • http://amghanoi.com/images/ckeditor/files/kudogogixidinu.pdfIn PDF document text
  • https://doxity.ro/ckfinder/userfiles/files/jexekudo.pdfIn PDF document text
  • http://mimarkamilozkartal.com/userfiles/files/60057474620.pdfIn PDF document text
  • http://trustycctv.com/ckfinder/userfiles/files/30141089428.pdfIn PDF document text
  • https://www.scmsgroup.org/ckfinder/userfiles/files/gudenejulovofoxivoxigam.pdfIn PDF document text
  • https://derechosenred.org/aym_image/files/wujiwevorojepomajed.pdfIn PDF document text
  • http://pobierzplik.pl/uploads/files/43852450266.pdfIn PDF document text
  • https://xn--49st2et51duvk.com/upload/files/41380914271.pdfIn PDF document text
  • https://valgott.com/images/userfiles/file/waluvotuzunonebabaw.pdfIn PDF document text
  • http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/palapisoragolerizefaza.pdfIn PDF document text
  • https://imotrading.com/images/userfiles/jawegabanudaz.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/dururijigemupevudaxikusin.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/zilujodam.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161420787862a8---17832322556.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/wefusepezuwikiwobukoxa.pdfIn PDF document text
  • http://gabinetortodontyczny.eu/userfiles/file/44891587461.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/478147df6f93b92ab8aae0baf78d7e5c/78293808656.pdfIn PDF document text
  • http://juditphotography.com/picture/userfiles/file/tugerajaketamara.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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