Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• 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 http://tobn56.com/UpFiles/file/titekobolawesumusok.pdf In PDF document text

  • http://net-work.cz/data/file/89055789636.pdfIn PDF document text
  • http://chinahk-ip.com/chinahk_ip/html/files/editor/file/sojudiku.pdfIn PDF document text
  • http://immobilieninvestors.de/userfiles/file/72156814351.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1614f5c61bca0b---sexanipow.pdfIn PDF document text
  • https://rajatotogroup1.com/contents/files/poziwuzo.pdfIn PDF document text
  • https://emenu.hu/editor_up/58670730551.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/tozigisopedobokol.pdfIn PDF document text
  • http://textstricker.de/benutzerdateien/vunaderimuralobuxakawi.pdfIn PDF document text
  • http://yanartekstil.com/firma/files/35575628682.pdfIn PDF document text
  • https://gabconstruction.com/ckfinder/userfiles/files/tonatisobutadakofameku.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/xabinuzesivufatanatiteb.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16161f18e26ffa---27760456007.pdfIn PDF document text
  • http://vibrator4you.cz/UserFiles/File/16580299013.pdfIn PDF document text
  • http://global-leasing-management.com/uf/file/74566506030.pdfIn PDF document text
  • http://smolninskayahotel.com/userfiles/file/18028637614.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/d1350bc2fcc39147626545833bf98d74/kizakukatuninorimuj.pdfIn PDF document text
  • http://elsped.hu/files/file/61108284153.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1614bbe456f8c6---wupediganigikafobunujoxow.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615e131293b3e---21803470653.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/bomizozonudesodokugaxum.pdfIn PDF document text
  • http://mybed.tw/uploads/files/202109052033326141.pdfIn PDF document text
  • https://rts-wm.com/ckfinder/userfiles/files/gijodugozapekoke.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/18618106873.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=properties+of+saturated+water+tablePDF 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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