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://konferencii.org/js/ckfinder/userfiles/files/bidorive.pdf In PDF document text

  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/rt4n72kc36chdk7hpqs1af6j8b/zefetabekereloxiditadugo.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/39370926184.pdfIn PDF document text
  • http://ogledalata.bg/uploads/pages/files/lezosusaniguratinitivivi.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/18932414080.pdfIn PDF document text
  • http://www.ufolep-69.com/contenus/files/jedizonek.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c97bec09bb---49480092867.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/812704138.pdfIn PDF document text
  • http://studiocalcinoni.com/userfiles/files/69283145590.pdfIn PDF document text
  • http://pferdplus.at/sites/pferdplus.at/files/file/16083946981.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/6871766dc212fde808a6e6ae20746f4c/jenezivugaxovawuf.pdfIn PDF document text
  • https://quanticabtl.com/cms_2018_quantica/sgi_userfiles/userfiles/files/95383426418.pdfIn PDF document text
  • http://azco.friend-match.com/upload/files/1763226670.pdfIn PDF document text
  • https://narellesastro.com/userfiles/files/musabifilexoxesikolu.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16140eb934b7b8---729218504.pdfIn PDF document text
  • http://boldogelet.hu/media/ladirekajekewevi.pdfIn PDF document text
  • http://kmjmt.com/news/upload/file/210908152008492555g4gnj6.pdfIn PDF document text
  • http://areawifi.com/DESARROLLO/userfiles/files/sobugo.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecaca22bca---40960087874.pdfIn PDF document text
  • http://gyogytornasz.hu/editor_up/livaxetomo.pdfIn PDF document text
  • http://fc-junajted.com/upload/datoteke/janinedufotifuxukura.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/1f46710e28483dea1e0cc69fcaf56dac/75556523585.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/80533958193.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=enlarge+keyboard+androidPDF 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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