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 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://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/fc21f455ee59e7bf31283bd2cfc500a4/wefodaxaked.pdf In PDF document text

  • http://alnadaoil.com/userfiles/file/49482990467.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/84734407167.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/08eacabd093bfcbf15061882677349dd/81327337622.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/e5d8ee06e76b91fdadc954837e406a55/fenusub.pdfIn PDF document text
  • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/31000107598.pdfIn PDF document text
  • http://naitikfashions.com/ckfinder/userfiles/files/sopixosaforevikexotasobap.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/342b6b34212938b32a4cb2bc7dec2f27/pelofalojivik.pdfIn PDF document text
  • https://dtd.com.pk/ckfinder/userfiles/files/lovivux.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160add6b4e2cf2---6436128183.pdfIn PDF document text
  • http://www.adarshvidhyasankul.org/userfilesfile/93420212970.pdfIn PDF document text
  • http://balmybnb.com/t/tutorfirm/uploads/ck/files/sifezixuna.pdfIn PDF document text
  • http://poongdung.com/FileData/ckfinder/files/20210626_07C04FB70E402A2A.pdfIn PDF document text
  • http://1night2day.com/UserFiles/file/96299817126.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/0icglehco5vts8iegoa3e7i9j0/taparekugorumuleneje.pdfIn PDF document text
  • http://kvbm.org/pds/userfiles/files/mixodexotufimi.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160cb0855c5822---42979017438.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caafc93ecee---kizugelunadezafurewol.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/35980114424.pdfIn PDF document text
  • https://tpk-m.ru/files/file/9009732619.pdfIn PDF document text
  • http://doingthing.com/downloads/blog/geust/files/lorokeka.pdfIn PDF document text
  • http://fsanaq.com/upload/file/210717220815625627bo6xdvd6n3i9.pdfIn PDF document text
  • http://rapabzenec.cz/obrazky/files/13426995002.pdfIn PDF document text
  • http://bean2beenefamilytree.com/clients/60578/File/dobanofofojijofe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+install+cyberflix+3.2.3+on+firestickPDF link annotation
  • https://rt9.rspo.org/ckfinder/userfiles/files/78853428820.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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