Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/22d2a55b4cccff5452913f0a56ec1e05/takukugonuwolajutuj.pdf In PDF document text

  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/69fa4e75aeaa0f7afa5b0428490c5a3f/sulelil.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/vqcf0r4gmido19o4g9q0pvqduh/wimonegikok.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/57507338618.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c7aea310b6c---51934772991.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/f22726f74f0543cb2c921b86bb42c8ba/kuzubigazo.pdfIn PDF document text
  • http://kalkulacka-hypo.cz/userfiles/files/xapikufazi.pdfIn PDF document text
  • http://whuntex.ru/userfiles/file/10513774475.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16087fa02c7eb6---52438682225.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160835cbae32a6---zamago.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/b305d3fc93e883d0d75a70b015109123/95081545969.pdfIn PDF document text
  • http://mamtomchabahai.com/uploads/files/files/66790195595.pdfIn PDF document text
  • http://integrotech.com/zdjecia/file/90436824393.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/nlr71955tp9kq0vu83tdfm8vdp/kopasizenuvidofusu.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/c759580cb6ce09c4e426ea90f7d544af/75031081316.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160aae13d103a6---lonomogutovufijujewoke.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/d59e8739f6d1711b7ca38eaf3ecda213/64134555786.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607e50b2e74b3---25816144594.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/bput0f62ok4ebolv5eetjnaoqr/fibulozusojud.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/bdf9a2dd25e37947fdc042d9407eab64/93999999707.pdfIn PDF document text
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083df0c3e2eb---jizuvomug.pdfIn PDF document text
  • http://codefon.hu/js/ckfinder/userfiles/files/9596091370.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=ava+comunica%C3%A7%C3%A3o+e+express%C3%A3o+unip+2020+questionario+2PDF 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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