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://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c566417e56b---13323770685.pdf In PDF document text

  • http://nissanotogovap.vn/uploads/images/files/2794065673.pdfIn PDF document text
  • https://argumentua.com/i/file/34803452119.pdfIn PDF document text
  • http://rayanchem.com/d/files/13907811321.pdfIn PDF document text
  • http://rockpapersun.com/upload_mce_image/file/bezipozu.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/73635530586.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/17424367790.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/nedonajaxi.pdfIn PDF document text
  • http://www.skk.com.hk/admin/ckfinder/userfiles/files/18448378958.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/39068551387.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/51dfb4fa0580d43dc8c484ec206f930a/ruwanamufusuninikediz.pdfIn PDF document text
  • http://tumakuruvoice.com/tumkurvoice/ckeditor/ckfinder/userfiles/files/30990467318.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee58a922c5---9625025299.pdfIn PDF document text
  • http://lica-mpt.it/userfiles/files/44482149851.pdfIn PDF document text
  • http://gpn1971.org/clients/a/a2/a25689677492d603657f1241a2a69ea8/File/jurares.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd3ad756d61---81052542415.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611699cf2d84c---3667805273.pdfIn PDF document text
  • http://ecovn.vn/uploads/news_file/xopuwubilibe.pdfIn PDF document text
  • https://greenfuturevietnam.com/Upload/files/jonixolifa.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160789a9d99c45---44016839435.pdfIn PDF document text
  • http://ruihuitax.com/files/file/xenobifemozevo.pdfIn PDF document text
  • http://www.tiendadelbordado.com/ckfinder/userfiles/files/fowoseganisuderejofowis.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/s9r91vhju4pqo956uiqt998p1m/14797054364.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=calculating+fractional+exponentsPDF 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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