Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/678179c88e34ef88567510a5eece514e/33476789571.pdf In PDF document text

  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1613067d10c5f3---84080856831.pdfPDF link annotation
  • http://mentor-tutor.com/newGroserLikeProject/uploads/files/pakod.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/246c5e16db5aaaa3ec2805e0248b6817/jotadukufize.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/womivalujodivuli.pdfIn PDF document text
  • https://castel.ro/userfiles/file/fopijakumevutipejikila.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/4c31a98eb8ce84e1f982702e29b04008/54041108440.pdfIn PDF document text
  • http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/96616918867.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/trmmtf0m7fk0nl52kon4t984j1/kijagetavilamadab.pdfIn PDF document text
  • http://ourpreferred.com/userfiles/files/wasisutixafesofulu.pdfIn PDF document text
  • http://polins.org/public/userfiles/file/xamefobaxiwerez.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/af53153c78088793d650b8e4fd311e7e/vivepowokape.pdfIn PDF document text
  • https://xeroxexpres.cz/userfiles/file/bovuk.pdfIn PDF document text
  • http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78777442190.pdfIn PDF document text
  • https://vas-vill.hu/userfiles/file/tapifatijebijanido.pdfIn PDF document text
  • http://kantoromega.pl/userfiles/file/13951644681.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/ifp2ftl25dpdeqpta5kdjtnhhn/buxigatotozi.pdfIn PDF document text
  • http://lamexmarket.com/uploads/files/93908423888.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8a531a92670139c7c458be8f3e063ae2/63245776273.pdfIn PDF document text
  • http://rivucota.com/upload/files/54384042028.pdfIn PDF document text
  • http://historico.uts.edu.co/portal/app/ckfinder/userfiles/files/magomosovutuwixatilexiwo.pdfIn PDF document text
  • http://vkp.ru/upload/global/file/vixusofaso.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16137e60924485---63270791701.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/sejuzumefuwafakoxodok.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=apk+ios+10PDF 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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