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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• 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://chcial.ru/uplcv?utm_term=drastic+ds+emulator+apk+ios PDF link annotation

  • http://avvocatoandreabruschi.it/userfiles/files/40627736711.pdfIn PDF document text
  • https://selapro.com.au/application/third_party/ckfinder/userfiles/files/82518190524.pdfIn PDF document text
  • http://yavuzselimvakfi.org/resimler/site/files/51192735946.pdfIn PDF document text
  • http://itaxabc.com/userfiles/file/20210905220048_160813668.pdfIn PDF document text
  • http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/6359245844.pdfIn PDF document text
  • http://ain.proximeo.com/ckfinder/userfiles/files/podulopipawagowire.pdfIn PDF document text
  • https://atpl.aero/ckfinder/userfiles/files/89519908825.pdfIn PDF document text
  • http://anhhieu.vn/hinhanh/file/kowipodafogifibi.pdfIn PDF document text
  • https://queensflower.nl/clientfiles/71744002749.pdfIn PDF document text
  • http://zs-oilfieldequip.ru/d/files/jewaluwolusenisumulem.pdfIn PDF document text
  • http://telesson.net/_UploadFile/Images/file/bupesab.pdfIn PDF document text
  • http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/betigatenerepugiwoxujomib.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614a36349bcb4---83620305480.pdfIn PDF document text
  • http://levotst.com/uploads/files/42193529656.pdfIn PDF document text
  • http://qlinairnv.be/userfiles/file/31229475562.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614c00a7a5e98---95011377365.pdfIn PDF document text
  • https://asiahealthcaredentalcentre.com/ckfinder/userfiles/files/xuvezej.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131004907d71---rimelavuga.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16152a08e6f51a---toluxud.pdfIn PDF document text
  • http://candleelectricals.com/uploaded_files/userfiles/files/99337913722.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/60163717473.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/palizi.pdfIn PDF document text
  • http://synergienetwork.net/userfiles/file/wekutenal.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/48176665679.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/1162758369480321948b19a51b5893cd/40939660816.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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