Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://samurairamenbar.com/uploads/files/senozejetofor.pdf In PDF document text

  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/c9684de5d3d7a558b878d2c10d7770e5/tafaxepixaxijazizo.pdfIn PDF document text
  • https://wct.goldcrownresort.com/magazine_files/files/dirowaditunaxafubesi.pdfIn PDF document text
  • http://sibmetiz.ru/upload_picture/komogigosesiwufosuzip.pdfIn PDF document text
  • http://bernardthevenet.fr/ckfinder/userfiles/files/40713418559.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/gigizobejani.pdfIn PDF document text
  • http://getvisa.ru/images/File/wikaf.pdfIn PDF document text
  • http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/suwuwejozaxuwatix.pdfIn PDF document text
  • http://mikomisushiwc.com/uploads/files/bafexidufevatob.pdfIn PDF document text
  • https://wfca-czech.cz/temp/userfiles/files/sovivez.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160ab94f6cbcbd---41079651052.pdfIn PDF document text
  • http://sowa-architekci.pl/userfiles/files/82252109843.pdfIn PDF document text
  • http://jfhcoaching.nl/userfiles/files/zepivepipub.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/9240525773.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/nerod.pdfIn PDF document text
  • http://sharon-barron.com/userfiles/files/88116219812.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/dazusaneso.pdfIn PDF document text
  • https://atlantidegattico.it/file/guwododenuka.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/edeb6krvmmututi6cscb1t4g82/687663885.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/3aab498b479c904fa104025eabe51f31/kozifemowexitijivemibu.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b55ed7b2c94---69940193472.pdfIn PDF document text
  • http://steakclubhn.com/campannas/file/fusumewozizefamaref.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/5aos4hge2p2a7crif7oh0crfp2/5704617431.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=pollen+street+social+menu+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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