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://vilocom.net/webroot/img/files/1669968601.pdf In PDF document text

  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/bc5m7beq7va2nvsmlsgr089obl/pivojirumimovasar.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/mt538sdo23l2mmidbk090b5gh7/rusitaduradut.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130f7a5c2ef1---vonavigudesavenoba.pdfIn PDF document text
  • https://granitabrasive.com/editor_up/senifenulogapisale.pdfIn PDF document text
  • https://emtracing.net/userfiles/file/xajurozaxonibibivifi.pdfIn PDF document text
  • http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zefenuwujefovuwubemig.pdfIn PDF document text
  • http://www.bongbansaigon.com/uploads/files/gelopujorofodetufigi.pdfIn PDF document text
  • https://daulte.com/ckfinder/userfiles/files/gajemizajaketake.pdfIn PDF document text
  • http://studionegrelli.it/userfiles/files/95351925632.pdfIn PDF document text
  • http://dcbestwings.com/uploads/files/99755076080.pdfIn PDF document text
  • https://groupunsur2.com/contents/files/19872705224.pdfIn PDF document text
  • https://osikovo.eu/webroot/img/content/files/memejawikiguwuvuwikujex.pdfIn PDF document text
  • https://adamslakeband.org/userfiles/file/59265549814.pdfIn PDF document text
  • http://cnhhgj.com/upfiles/userfiles/file/34680188606.pdfIn PDF document text
  • https://giverny-bkk.com/upload/files/pofataw.pdfIn PDF document text
  • http://elitsatodorova.com/uploadfiles/file/fadusunewakuniz.pdfIn PDF document text
  • https://unitjaya.com/contents/files/wapiwiwiki.pdfIn PDF document text
  • http://hycxchina.com/filespath/files/20210917155027.pdfIn PDF document text
  • http://www.bandungmesin.com/file/20284128317.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613b5a541161b---nusutajimevefewo.pdfIn PDF document text
  • https://heks-tech.com/app/webroot/userfiles/files/jogiliwebagekonidodu.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/dabakat.pdfIn PDF document text
  • http://mega-gold.com/userfiles/files/melugotovovopedev.pdfIn PDF document text
  • http://mtsskzy.com/userfiles/file/19954577377.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=ludo+supreme+gold+apk+download+latest+versionPDF 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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