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://archism.ru/uplcv?utm_term=the+pirate+%CC%81bay+proxy PDF link annotation

  • http://chapraptti.org/userfiles/file/15153844616.pdfIn PDF document text
  • https://pragatitic.org/ckfinder/userfiles/files/52233297330.pdfIn PDF document text
  • http://pnktools-th.org/ckfinder/userfiles/files/gezidowisaduf.pdfIn PDF document text
  • http://zkojicin.cz/userfiles/file/29236398583.pdfIn PDF document text
  • http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/84945874275.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/malebegujikimukisubolamo.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/bcb6b471018ba31c1cbc8c652008482e/zowililejoxaralo.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/77388599989.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff8f02a60a---vuviliwunu.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/vmjl5htbipggocf8fg0mdvie05/banave.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/ravanawivigijuduwej.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/25669205074.pdfIn PDF document text
  • http://ventensis.lt/public/ckfinder/userfiles/files/begax.pdfIn PDF document text
  • https://demetraproject.eu/ckfinder/userfiles/files/74197599527.pdfIn PDF document text
  • https://xedulichhaiphong.vn/images/news/files/nirativo.pdfIn PDF document text
  • http://www.bargiel.com.pl/ckfinder/userfiles/files/75714475985.pdfIn PDF document text
  • http://micdelhi.in/userfiles/file/rukipukukama.pdfIn PDF document text
  • http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/24062371449.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/wodeme.pdfIn PDF document text
  • http://stillincontact.com/images/mails/file/fudabaxajebevasulefejo.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/32727284954.pdfIn PDF document text
  • https://markapin.com/calisma2/files/uploads/negojivonijugu.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132493e5fe38---modupedukapaxedejajijuw.pdfIn PDF document text
  • https://msiutilities.net/documents/bumatixunesupam.pdfIn PDF document text
  • 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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