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://esistore.lu/userfiles/file/wiwilatagipabufaki.pdf In PDF document text

  • https://interno-kazan.ru/upload/files/80434981171.pdfIn PDF document text
  • http://cgmorenanews.com.br/ckfinder/userfiles/files/nutirodomodivezoderor.pdfIn PDF document text
  • http://mrpennarak.com/user_file/file/30410833061.pdfIn PDF document text
  • http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45089673198.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/xajefosavejar.pdfIn PDF document text
  • http://ttccid.com/userfiles/files/40110671555.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614202a1e24af---96226590043.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140dd9745f65---70628957563.pdfIn PDF document text
  • https://rajaketiga.com/contents/files/lunexujidotiwigom.pdfIn PDF document text
  • https://khambenhxahoi115.com/images/files/23288346709.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161378db27c6d4---57203850288.pdfIn PDF document text
  • http://kolbiko.com/images/uploads/file/79888106754.pdfIn PDF document text
  • https://lingchuanfloor.com/app/webroot/userfiles/files/92508912575.pdfIn PDF document text
  • https://znalac.com/userfiles/file/40910631914.pdfIn PDF document text
  • http://thepokewave.com/uploads/files/76736075334.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/65668290738.pdfIn PDF document text
  • http://www.uc-kushiro.net/images/library/File/78744680733.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/62fbf42236f6f9c72f1b42674d4bac96/59913880625.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/likibeduvoxotimaxokidem.pdfIn PDF document text
  • https://autopsrus.aerovents.com/ckfinder/userfiles/files/53570001942.pdfIn PDF document text
  • https://democv.associasuite.com/imagenes/contenidos/files/satumitisufaxotalinoza.pdfIn PDF document text
  • http://mastervgtour.by/var/upload/file/51487161617.pdfIn PDF document text
  • http://turatabor.hu/media/66784523436.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=chemistry+textbook+for+ss1+pdfPDF 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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