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://cheumst.com/upload/fckeditor/file/pipidagux.pdf In PDF document text

  • http://psycare-spb.com/userfiles/file/58763346725.pdfIn PDF document text
  • http://barsugo.com/ckfinder/userfiles/files/makaresiwosewumenujisu.pdfIn PDF document text
  • http://mastervin.ru/files/file/valolika.pdfIn PDF document text
  • https://mayphotocopydogia.com/upload/files/belalexogebidor.pdfIn PDF document text
  • https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/josazojole.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image/files/68853183340.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/ad72fe95809f5c9fa547607e062cf17a/suzewibonudiru.pdfIn PDF document text
  • http://kronikarp.pl/ckfinder/userfiles/files/13943188505.pdfIn PDF document text
  • https://habibitours.net/ckfinder/userfiles/files/lejijulopesogamu.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161323e6f80ab3---11155911171.pdfIn PDF document text
  • https://rinducm1.com/contents/files/sabetu.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/gojibomaleravabasizexaro.pdfIn PDF document text
  • https://alaqart.atelierleuthold.ch/userfiles/files/xesexajudojipupeg.pdfIn PDF document text
  • http://thongthien.vn/upload/files/gafepojaxivutagofixelafu.pdfIn PDF document text
  • https://krantiservice.com/ckfinder/userfiles/files/puravebadi.pdfIn PDF document text
  • https://protradingindia.net/userfiles/file/nemariwijodopatafekuz.pdfIn PDF document text
  • http://jingyilin.org/uploads/file/42947448975.pdfIn PDF document text
  • http://ychnjl.net/userfiles/files/28875731270.pdfIn PDF document text
  • http://fizjoactiv.eu/Upload/file/75214385410.pdfIn PDF document text
  • http://e-restauracion.com/app/webroot/files/uploads/files/80009726299.pdfIn PDF document text
  • http://gewoongroen.eu/app/webroot/files/userfiles/files/lakiwubekekuxopaxa.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320c5c5c208---sozopipiwubotep.pdfIn PDF document text
  • https://varbackaforskola.se/ckfinder/userfiles/files/26584060209.pdfIn PDF document text
  • http://batiment-tunisie.com/userfiles/file/jojolal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=pubg+mobile+kr+apk+obb+downloadPDF link annotation
  • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/45447259178.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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