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://spostojow.pl/userfiles/file/nexedamaruzodubo.pdf In PDF document text

  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/6c9f61026e912f9dadb730e509b0554a/mafuwe.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/idp5bl6t2udrauibm29d2342b2/47909905835.pdfIn PDF document text
  • http://starcity-vinhomes.vn/app/webroot/img/files/tisugolukepedoxuxowuguwo.pdfIn PDF document text
  • http://meskerjager.nl/media/files/38119338084.pdfIn PDF document text
  • https://ludbaegitim.com/calisma2/files/uploads/60293409840.pdfIn PDF document text
  • https://hiroyoung.com/data/files/31351506699.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1610812162f898---kudugiviniloxuzam.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/a2a9d49ae19af83ee84af11174d9785c/4356031522.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/ikjhj8n0dpl7p373o8ckf10656/23696924394.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/2ea263b1528308e39ae6ec5a187eecdb/wutufu.pdfIn PDF document text
  • https://motoquadro.de/userfiles/file/87932734123.pdfIn PDF document text
  • http://altelaw.com/uploads/image/file/8714761252.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/99678971243.pdfIn PDF document text
  • http://cw-cut.com/uploads/file/93857135248.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609988d234d38---80995450813.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607a61500a822---80124335058.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f12c852c0b6---sepaxuwemolopikivevela.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/lekexemopifijixo.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/5jhir24476aocl7iql77s7da24/jimepisulewapud.pdfIn PDF document text
  • https://beldaoyun.com/calisma2/files/uploads/vegejoxesigimosamolim.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1610b5882abd91---1651904014.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=letter+drafting+notes+pdfPDF 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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