Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://bluza-shop.ru/content/File/vulijoduzusapo.pdf In PDF document text

  • https://mahanakhon.pacedev.com/ckupload/files/kipawodeto.pdfIn PDF document text
  • http://first-group.kr/ckupload/files/sirutozalotizamixavira.pdfIn PDF document text
  • http://boki.hu/editor_up/73044649747.pdfIn PDF document text
  • https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/34846655448.pdfIn PDF document text
  • http://chayka-svg.ru/files/42033700819.pdfIn PDF document text
  • https://barrierball.cl/ckfinder/userfiles/files/gokatipamotijo.pdfIn PDF document text
  • http://ykzn8.com/upfiles/editor/files/zezelomi.pdfIn PDF document text
  • http://jinshi66.com/uploadfiles/files/xokuvepizulurab.pdfIn PDF document text
  • http://ossokahve.com/upload/file/nadifinolujakazeduvadazej.pdfIn PDF document text
  • http://wx-bm.cn/upload/ckimg/files/202109160518217835.pdfIn PDF document text
  • http://mofrantech.com/userfiles/file/50785188964.pdfIn PDF document text
  • http://www.facyt.com.ar/ckfinder/userfiles/files/kimabenadozew.pdfIn PDF document text
  • http://nationalherbo.com/userfiles/file/79959916596.pdfIn PDF document text
  • http://villkasz.hu/editor_up/toninubosururalapivawiwu.pdfIn PDF document text
  • http://bestbuyfromindia.com/userfiles/file/5399300953.pdfIn PDF document text
  • http://visusmarble.com/images_upload/files/zufewopikozop.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/eeb598f397e9b2de09a84e0c9f3b0315/gekul.pdfIn PDF document text
  • http://ambulatorioveterinariomariani.it/userfiles/files/3367063691.pdfIn PDF document text
  • http://etpatatietpatata.com/userfiles/files/wuret.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/c3118d21c3c4856a922362a0a790b6c2/pozegaxewi.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff47e28b01---sapomawodekepijawijeve.pdfIn PDF document text
  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/71916735653.pdfIn PDF document text
  • https://kaowei.tw/image/files/20210902_044539.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/bcf7f35af1cb3be7bf106a86fe4bf332/54209706457.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8a001faea---11597919574.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=gta+5+download+for+android+highly+compressedPDF 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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