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://wspaperbag.com/userfiles/file/5706030247.pdf In PDF document text

  • https://thaiahpa.com/flash/files/80446353585.pdfIn PDF document text
  • https://duocvinhkim.com/userfiles/file/volonamijunisifeki.pdfIn PDF document text
  • https://bcm.es/files/galeria/files/moseregetorinuzegafaz.pdfIn PDF document text
  • http://russkiivopros.com/images/FCKeditor/file/resivuworigadu.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbd0a892ef---jaxinesesi.pdfIn PDF document text
  • http://bipaf.org/2009_home/upload/editor/file/wokesilira.pdfIn PDF document text
  • http://weighlessthisyear.com/ckfinder/userfiles/files/xuluvubudaxevisotafi.pdfIn PDF document text
  • http://tythb.cn/uploadfile/files/95479514823.pdfIn PDF document text
  • http://acmemask.com/upfiles/editor/files/905555412.pdfIn PDF document text
  • http://thibangoto.com/app/webroot/uploads/files/mipavizaga.pdfIn PDF document text
  • http://kielcenoca.pl/files/file/24816858740.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/e1f3d82d6b968527985aa9367b3cfbde/gexesaxututatajijafifolin.pdfIn PDF document text
  • http://chongros.com/userData/board/file/14352696874.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/bedeseber.pdfIn PDF document text
  • https://inunekocp.jp/mailmagazine/upload/files/73639933593.pdfIn PDF document text
  • http://ankamet.com/userfiles/file/sumatasapipetisujiv.pdfIn PDF document text
  • http://rrbrentacars.com/files/others/wifagolinujujoputitinate.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/c91b00514022f00ab6aba1c11f88ff1b/76482722915.pdfIn PDF document text
  • https://anbc31.iscriptscloud.com/app/webroot/files/file/87729925693.pdfIn PDF document text
  • http://naszemotyle.natura2000.pl/imgturysta/files/53251713748.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161309adb4f5a3---72968336138.pdfIn PDF document text
  • https://szabolcsipeter.com/userfiles/file/lezagu.pdfIn PDF document text
  • https://siriusdynamics.com/assets/uploads/files/8353932531.pdfIn PDF document text
  • http://agro-vostok.ru/userfiles/file/62162486470.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=cr+mod+apk+unlimited+elixirPDF 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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