Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://coopinproject.eu/ckfinder/userfiles/files/45422243604.pdf In PDF document text

  • http://girlstown.org/files/js/ckfinder/userfiles/files/68322797373.pdfIn PDF document text
  • http://blpest.com/UserFiles/file/57298037913.pdfIn PDF document text
  • https://tlproduct.com/userfiles/file/39705875871.pdfIn PDF document text
  • http://beautifulmoda.com/userfiles/files/54875871585.pdfIn PDF document text
  • http://agrocare.hu/ckfinder/userfiles/files/70369830489.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f55a56f2d6---81309235631.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/49871594374.pdfIn PDF document text
  • http://pk-rowery.pl/user_pict/file/99384793584.pdfIn PDF document text
  • https://renetravel.ro/images/files/jumada.pdfIn PDF document text
  • https://stpm-sa.com/userfiles/file/94422434245.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16145e4eb21dc3---5539530593.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613730f708cfb---65532976051.pdfIn PDF document text
  • https://www.oalysa.cz/ckfinder/userfiles/files/63830235127.pdfIn PDF document text
  • http://carbonelite.ru/file/8655161508.pdfIn PDF document text
  • http://www.farmaciabergua.com/userfiles/files/58833084714.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2b1fd714e---puxonetidobiluz.pdfIn PDF document text
  • http://medizator.ru/ckfinder/userfiles/files/tovosi.pdfIn PDF document text
  • http://yanartextil.com/firma/files/8289320330.pdfIn PDF document text
  • http://tindangnhadat.vn/upload/files/gexutemuk.pdfIn PDF document text
  • http://loveperfectionschool.com/upload/file/gipuxofi.pdfIn PDF document text
  • http://techniq.ae/admin/uploadfiles/file/32175664182.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=windows+8.1+temporary+product+keyPDF 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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