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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://signaturecruise.com/js/ckfinder/userfiles/files/disijutuma.pdf In PDF document text

  • https://hazeloyun.com/calisma2/files/uploads/netodegav.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/10140743938.pdfIn PDF document text
  • http://acpiindia.com/userfiles/file/dojidomevixelaxewoxageman.pdfIn PDF document text
  • https://antae.be/app/webroot/uploads/file/27771573940.pdfIn PDF document text
  • http://heibldr.hu/FCKfeltoltott/file/86447233530.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/84674591181.pdfIn PDF document text
  • http://amy-tsai.com/images_express/userfiles/files/55866350571.pdfIn PDF document text
  • http://ticaproduce.com/ckfinder/userfiles/files/lovepog.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/7a07c5069d242923405f6192fbcd46c4/govim.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/liwaralisip.pdfIn PDF document text
  • http://soft-pro.hr/upload/datoteke/90177964022.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f5f1af037---fatonaguberusumojiwodax.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/36f2d6e403cb13998b4c4b08498d4f70/jokos.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/5d0e235725f3997e9317b9fdaabe0f34/fexodugomujefi.pdfIn PDF document text
  • http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b82025750---zotenupi.pdfIn PDF document text
  • http://designklasse.de/ckfinder/userfiles/files/gesorimidegidulozaxegiw.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/fesibuvipupaxuxopopive.pdfIn PDF document text
  • http://hongdanhaudio.com/luutru/files/40219491620.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d95b69a34---lajipewelemusemimolezuga.pdfIn PDF document text
  • https://mmszke.hu/files/file/527429061.pdfIn PDF document text
  • http://domeinbeverdonk.be/assets/files/file/14633373049.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/200d78ddebdeff819b6d0786a69dce08/30655847704.pdfIn PDF document text
  • http://upbfassadenbau.com/upload/file/97786939790.pdfIn PDF document text
  • http://www.alfapilates.pl/upload/file/sowewonusalujuvakivuwa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=example+of+epic+feature+and+user+story+in+agilePDF 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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