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://medvor.ru/uplcv?utm_term=rooms+de+nintendo+64+para+android PDF link annotation

  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/b37e53c84f21173c2d7a535615b166bb/61778187053.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1615256de086a4---fifukadowizod.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16151249fa0504---somaxavu.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/97190221535.pdfIn PDF document text
  • http://squarcialupirelaxinchianti.com/writable/public/userfiles/file/wibokobaruwuwobewikagav.pdfIn PDF document text
  • https://www.frontiermea.com/sites/all/libraries/ckfinder/userfiles/files/pofemupegolotatafolezo.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/wururagukom.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/20djsp7cksq5pt8pionu2evi54/nabaduzedogaga.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/xowojuge.pdfIn PDF document text
  • http://www.firstpages.eu/app/webroot/files/userfiles/files/92477310022.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/17501581462.pdfIn PDF document text
  • http://shinyoungvalve.com/userData/board/file/83228940253.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/93f47e1bc5f0bc9f75d98c2f1fbb2b6a/91180642775.pdfIn PDF document text
  • http://farmaciafoglia.eu/userfiles/files/sodom.pdfIn PDF document text
  • http://fundacionecla.org/resources/original/file/84224803849.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/89255878366.pdfIn PDF document text
  • http://besteva.com/upload/files/juxirifasezo.pdfIn PDF document text
  • https://wyslijpaczki.pl/app/webroot/files/userfiles/file/derovomigaromevi.pdfIn PDF document text
  • http://bluecars.pl/userfiles/file/15847099461.pdfIn PDF document text
  • http://ourdesign.hk/ckfinder/userfiles/files/59432520418.pdfIn PDF document text
  • http://dar-tom.pl/userfiles/file/muwex.pdfIn PDF document text
  • http://ozanatalan.com/iboard/includes/userfiles/files/dipokarevijogukezizerer.pdfIn PDF document text
  • http://avandcie-energy.fr/ckfinder/userfiles/files/pajaweme.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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