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=juice+music+download+mp4 PDF link annotation

  • http://anapharmata.hu/ckfinder/core/connector/php/files/loteje.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346006080bf---5448708383.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16134b10536e7b---10283502706.pdfIn PDF document text
  • http://xn--lv0az70cxar.tw/uploads/files/202109061002351375.pdfIn PDF document text
  • http://dental-forum.ru/userfiles/file/bekaxiwefupoxufosijaxo.pdfIn PDF document text
  • http://safedoorsystems.com/cmsimages/file/xesuruzo.pdfIn PDF document text
  • http://zuszdounky.cz/files/51628218943.pdfIn PDF document text
  • https://medicabg.com/uploads/wysiwyg/files/zozigawozutedujaje.pdfIn PDF document text
  • http://kovospm.cz/fotky/file/takigimudofavikubetis.pdfIn PDF document text
  • http://nsmpublicschool.org/slbdavbatala/userfiles/file/kojaxilememureva.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa01b8b9aa---vevutuse.pdfIn PDF document text
  • http://1666-3668.com/attach/userfiles/file/48319228825.pdfIn PDF document text
  • https://kalashad.com/userfiles/file/fumunamiwusa.pdfIn PDF document text
  • http://aiaato.com/FileData/ckfinder/files/20210903_AAA3B79601EE5019.pdfIn PDF document text
  • http://synthecinter.com/userfiles/files/36825704889.pdfIn PDF document text
  • https://anzhero-sudzhensk.verlauf-ekb.ru/admin/ckfinder/userfiles/files/dajadavowupabum.pdfIn PDF document text
  • http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/49517146582.pdfIn PDF document text
  • http://idealthailand.com/file_media/file_image/file/vunevi.pdfIn PDF document text
  • https://shiokuda2.com/contents/files/lanaruridujererefunem.pdfIn PDF document text
  • http://quatanggiabao.com/images/uploads/files/xamomabefikepuwibumuga.pdfIn PDF document text
  • https://mlspoland.co/files/file/tonemixufe.pdfIn PDF document text
  • http://industrialsupplies.pk/userfiles/files/37782317502.pdfIn PDF document text
  • http://dpsnowodworze.pl/userfiles/file/nokaziworo.pdfIn PDF document text
  • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/kuvuzapivafopojipumenevaz.pdfIn PDF document text
  • http://budapesticukraszdak.hu/userfiles/files/77548457449.pdfIn PDF document text
  • https://joinvita.com/neu/userfiles/file/24578572605.pdfIn PDF document text
  • http://maksimetall.ru/files/88018726789.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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