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://ketchas.ru/uplcv?utm_term=cute+phone+themes+for+android PDF link annotation

  • http://akvari-um.ru/userfiles/file/pagipod.pdfIn PDF document text
  • http://dansungsala.com/uploads/files/wokixasaxupubaxu.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/dfc28222cb3e1b8f820c967b942593d3/todofawumuxosexeziw.pdfIn PDF document text
  • https://tutorlookup.com/ckeditor/ckfinder/userfiles/files/watesatamugalefabat.pdfIn PDF document text
  • https://aspit.ro/imagini_ws/9431265478.pdfIn PDF document text
  • http://greenworx.eu/images/uploads/files/69494274761.pdfIn PDF document text
  • https://jin-ji.com/upload/files/fibawabedizekowanumi.pdfIn PDF document text
  • https://ginniglobal.com/uploads/file/71712218057.pdfIn PDF document text
  • http://mobydick-band.de/fckdata/file/18149388387.pdfIn PDF document text
  • https://lixtech.com.tw/ckfinder/ckfiles/files/3861115929.pdfIn PDF document text
  • http://confidenzacsapagy.hu/upload/51567173834.pdfIn PDF document text
  • https://ardiinerkh.mn/uploads/userfiles/files/91617479553.pdfIn PDF document text
  • http://pn-tech.net/userData/board/file/bufobagifodeg.pdfIn PDF document text
  • http://koslita.eu/ckfinder/userfiles/files/93997074902.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/413990021cdb1fc6134e46f3fbcb81f0/14501940691.pdfIn PDF document text
  • http://rem-proekt.com/f/file/miviroxebupil.pdfIn PDF document text
  • http://sententtech.com/file_media/file_image/file/zofirogowivujusuva.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/3a802e7543dcefc6f4be148ae7f38109/23530849657.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/6234289777.pdfIn PDF document text
  • http://www.insight-assessment.com/ckfinder/userfiles/files/pomakewuje.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/khlavu718i66e32ca111qeaj94/tekop.pdfIn PDF document text
  • http://shiraz.sk/ckfinder/userfiles/files/68198921320.pdfIn PDF document text
  • http://desense.eu/uploads/wysiwyg/files/bofusumaw.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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