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://crysiq.ru/uplcv?utm_term=vishnu+sahasranamam+lyrics+in+tamil+mp3+free+download PDF link annotation

  • http://mkpstroitel.ru/upload/files/leveraz.pdfIn PDF document text
  • http://cuspsurgeons.com/userfiles/file/73421217436.pdfIn PDF document text
  • https://zenithservicos.com/userfiles/files/nemuzalaxadom.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/fezozerazi.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/68910045839.pdfIn PDF document text
  • http://intertermo.nl/userfiles/file/fexulisobe.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/a06651e0f68b34a435dcdf8bb4d19fa1/19269900123.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140ea09c6b58---80251556657.pdfIn PDF document text
  • http://papienbanana.com/user_file/file/sujufikolulukixirovisewi.pdfIn PDF document text
  • http://pietrek.com/MARCUS/files/file/66956072882.pdfIn PDF document text
  • https://parkerboat.hu/js/ckfinder/userfiles/files/57485281754.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/4bcb6a61275f77fad5bb8774cf314f4b/miwumoponuruxuzonoga.pdfIn PDF document text
  • https://shinko-tw.com/UserFiles/file/26035312.pdfIn PDF document text
  • http://renovfab-menuiserie.com/userfiles/file/74071912543.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/wabutofakuwubaduf.pdfIn PDF document text
  • http://greensketch.in/userfiles/file/14494568208.pdfIn PDF document text
  • http://tmacfashion.com/ckfinder/userfiles/files/bojaxolok.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/16800054495.pdfIn PDF document text
  • http://duepassidalcentro.it/userfiles/files/tikutadenu.pdfIn PDF document text
  • https://hmanagement.net/userfiles/file/jijugafidaladizoj.pdfIn PDF document text
  • http://shukokai-voves.fr/userfiles/file/96941650655.pdfIn PDF document text
  • http://nppgursaraijhansi.in/ckfinder/userfiles/files/32693939537.pdfIn PDF document text
  • http://colorsoftexas.com/ckfinder/userfiles/uploads/92102938728.pdfIn PDF document text
  • http://corse.annuaire-regional.com/ckfinder/userfiles/files/33298022376.pdfIn PDF document text
  • https://tarsiman.ee/files/file/72727863081.pdfIn PDF document text
  • http://modero.vn/upload/files/demovizirubiparesabaxe.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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