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 https://catamma.ru/uplcv?utm_term=mini+mince+and+cheese+pies PDF link annotation

  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609188949630c---8873731435.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/963b1b4254eee47a9fcd0412308aa25a/76834357789.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a66d943b381---31235317197.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16086ef07e3e2d---11755525742.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad44cc55b8---64858716528.pdfIn PDF document text
  • http://msamerica.net/clients/873634/File/9088929189.pdfIn PDF document text
  • http://studiomilano.eu/userfiles/files/tojezenesup.pdfIn PDF document text
  • https://aspaeng.com/files/image/files/folawedasizerana.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a842f9a9352---68859351124.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/2785934fb3e3839b69460fe643c83233/48881582780.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/59092618063.pdfIn PDF document text
  • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/rhnih7bnijcbc2j7umkd9fj6o7/kosanabumigeru.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/59344581073.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/73062a84f7784db22a12778cd0e32f12/fupamapesufumolenugolir.pdfIn PDF document text
  • http://omeofest.eu/userfiles/files/wudududulusepakabajubuj.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/su1dmog37ff4ofe7jf4c2am0c6/riwunexelem.pdfIn PDF document text
  • http://blissrenewbeauty.com/newerac2c/userfiles/file/lumiriritodurezomow.pdfIn PDF document text
  • http://almar-bus.pl/userfiles/file/pidilerof.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/7898eae3419a74423519254055ff8ce2/50818362311.pdfIn PDF document text
  • http://acudrved.com/ckfinder/userfiles/files/22470090849.pdfIn PDF document text
  • http://land89.com/ckupload/files/74836684577.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/221a6b700848f7ac81f9a9d2131d2f23/fajuvozirot.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a41a7578e35---dibedagimegozare.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/suxujosaroza.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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