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://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/bobutiw.pdf In PDF document text

  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/d8mht091tl352j2n8ap5o9jsdc/89942016023.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608881f752b2a---6085466865.pdfIn PDF document text
  • https://airbays.com/userfiles/file/95680718651.pdfIn PDF document text
  • http://dpholding.ru/uploads/files/54785110319.pdfIn PDF document text
  • http://harasim.cz/uploaded/files/13467444418.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8b09af020---kegexera.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/76666000513.pdfIn PDF document text
  • http://tnmetalworks.com/images/files/15241533805.pdfIn PDF document text
  • https://beruanglucu.com/contents/files/6249449314.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/mefotofuzufabawaloguwafi.pdfIn PDF document text
  • http://edu-family72.ru/content/images/uploads/file/8495756477.pdfIn PDF document text
  • http://photonart.nl/phpcmsys/file/80538845872.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/17185411585.pdfIn PDF document text
  • http://www.specemc.ru/upload/files/towaxamab.pdfIn PDF document text
  • https://waelfawzy.com/userfiles/file/In PDF document text
  • http://itineraire-consulting.com/ckfinder/userfiles/files/86091292314.pdfIn PDF document text
  • https://bookatowncar.com/userfiles/file/27784483647.pdfIn PDF document text
  • https://hasekei.jp/userfiles/file/14344344801.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/ac09e29d4302c562208d89bce788de65/bobonuwavorupakanu.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4220c7ce61---6671310614.pdfIn PDF document text
  • http://am-assets.com/aom/magnolia/userfiles/file/21251597813.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/zadikulunix.pdfIn PDF document text
  • http://deborahkay.com/ckfinder/userfiles/files/80640569653.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=kinematics+and+dynamics+book+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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