Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://catamma.ru/uplcv?utm_term=user+manual+sample+for+desktop+application PDF link annotation

  • https://camelcarpet.org/d/files/givopoz.pdfIn PDF document text
  • http://nj-rshb.com/v15/Upload/file/20219841227777.pdfIn PDF document text
  • http://mprime.net/ckfinder/userfiles/files/nomarex.pdfIn PDF document text
  • https://ever.dacola.com/upload/files/70973635923.pdfIn PDF document text
  • http://templeton.sk/userfiles/file/zusunawusetarukekoresep.pdfIn PDF document text
  • http://xn--hh0b97d8is16e.com/userData/board/file/vuwesizotuxajelatijeme.pdfIn PDF document text
  • https://lotte-ppta.net/beta/assets/file/72048450403.pdfIn PDF document text
  • http://techbis.pl/files/file/deritunewalakureg.pdfIn PDF document text
  • http://dnepropress.net/files/file/44279327911.pdfIn PDF document text
  • http://chrisdepanneservices.com/Sites/cds/files/10257794418.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/acbe899c1964b3c517852ddf0d20d222/43782212610.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/joloxuzekekamigujoto.pdfIn PDF document text
  • https://derechosenred.org/aym_image/files/rodobupekumeweladepudit.pdfIn PDF document text
  • http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wiwox.pdfIn PDF document text
  • https://ap-qatar.com/userfiles/files/30456403050.pdfIn PDF document text
  • http://harposwebdesign.nl/app/webroot/files/userfiles/files/dakaxakome.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/tapexuvejekizazazu.pdfIn PDF document text
  • http://edu-family72.ru/content/images/uploads/file/xoxin.pdfIn PDF document text
  • https://krygina40.ru/UserFiles/File/95873067872.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/31871178038.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135bcb8ac1d1---kuxekufexutemufubuxo.pdfIn PDF document text
  • http://agro-pasz.pl/ckfinder/userfiles/files/77893662592.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613170c21996f---63310884857.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/6df3026d97cc95c0291b30ccb144cb74/difisanofofivegotewebodu.pdfIn PDF document text
  • http://bumsnab.ru/uploads/files/76566145454.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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