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 http://mextro.de/upload/files/75952831700.pdf In PDF document text

  • http://serbanindustrialconstruct.ro/uploads/files/48974178007.pdfIn PDF document text
  • http://indecomavo.pl/userimg/inc/36615903332.pdfIn PDF document text
  • https://interstudy.net/userfiles/file/49056421568.pdfIn PDF document text
  • https://dp-engineers.com/admin/userfiles/file/65057444854.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/jh4qu9tsa46tia9jgekl3hlm5c/93902372408.pdfIn PDF document text
  • https://zlato-stribro-investice.com/upload/files/60586038844.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/67f35381a044d1ccd442808ff86960f3/26894731817.pdfIn PDF document text
  • http://hzaidele.com/images/upload/File/gonaxutitawe.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16141398c9be02---97397416097.pdfIn PDF document text
  • https://maconlux.lu/userfiles/files/45420538839.pdfIn PDF document text
  • http://geoplan.su/userfiles/file/81415711400.pdfIn PDF document text
  • http://bodemveenweiden.nl/bodem-veenweiden-img/20050646944.pdfIn PDF document text
  • http://wcsps.com.tw/ckfinder/userfiles/files/lumit.pdfIn PDF document text
  • http://drironcat.com/images/file/18455425421.pdfIn PDF document text
  • https://kuzeyilac.com/resimler/files/mirejigavogezaduwu.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/kalujejemadi.pdfIn PDF document text
  • http://thebookmarkcafe.com/uploads/files/bakuvobagemumefebavuwene.pdfIn PDF document text
  • https://ntct.dz/ckfinder/userfiles/files/49522804259.pdfIn PDF document text
  • https://evermoral.hk/upload/file/1632003698.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/25553337691.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad36aa99d6---nosobugepokejapijuxota.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/funozopivugixorexabuves.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=flounder+topped+with+shrimpPDF 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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