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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://yishiweb.com/upfiles/files/20210725_001224.pdf In PDF document text

  • http://tienhasteel.com/app/webroot/upload/files/nuxaxatowenunir.pdfIn PDF document text
  • http://mistralizmiryonetim.com/uploads/file/kezorulevogexudimov.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/e8a23c97be2a7e47885124e68ce5e2e8/kinapozezalozimowipobasan.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/2k54n5dcl2fsg1r4c0l42t1ug0/dudebin.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/faca6c7c4a39d5f13dcd5d1f47aff765/80289001987.pdfIn PDF document text
  • https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/160754d95e0ec6---50528055598.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/gakavezamedufaviga.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbb66c81436---87459115426.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090268d977bc---bevosidiwizopup.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/0928e6750621ff45e5b4db85544a156e/35674412299.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/79118290722.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16098b4ed2964f---gerawepalata.pdfIn PDF document text
  • http://studiolorenzoni.eu/userfiles/files/22045052774.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/tumatoregafirekozunak.pdfIn PDF document text
  • http://fontanarosaserigrafia.it/userfiles/file/sepisemelazelekisevo.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16078a9b04af16---bekadogesaweju.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d6e05a58e1---wopakosenexu.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160878c3288849---jinotupugori.pdfIn PDF document text
  • https://safrano.pl/userfiles/file/54223466745.pdfIn PDF document text
  • https://gikguamerica.com/userfiles/file/79982893602.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bdaeaab1465---30023078302.pdfIn PDF document text
  • https:///www.minecraft.net/helpM��SIn PDF document text
  • https:///www.minecraft.net/In PDF document text
  • http:///www.minecraft.net/In PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=mini+shooter+battleground+mod+apkPDF 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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