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://pistant.ru/uplcv?utm_term=mp3+cutter+and+ringtone+maker+pro+apk PDF link annotation

  • http://lookkorea.net/userfiles/file/momejuramibarep.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210623180315_1541921606.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/bdf3a6efd1f79f47deab1292f8f2043c/70614650699.pdfIn PDF document text
  • https://fonixkoncert.hu/upload/file/galazagozeludigeso.pdfIn PDF document text
  • http://topenglish.sk/app/webroot/gallery/files/zimovejari.pdfIn PDF document text
  • https://idd.no/ckfinder/userfiles/files/16933450877.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/s87i3jeus8buopk2a4kpmeapf0/midopa.pdfIn PDF document text
  • https://aneri12.eu/res/file/nadelovariweketale.pdfIn PDF document text
  • http://kochamsushi.pl/UserFiles/file/87968424763.pdfIn PDF document text
  • http://begemot-rus.com/uploadfiles/file/2021051211524973499.pdfIn PDF document text
  • http://greenhousehotel.vn/uploads/image/files/nexelunibixunawepemove.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be427f93ad6---tujudemuvivikosab.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105062125005170.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/e5099054f60542fbe00233f5d161fc8c/83622011683.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/f9rrml1pcod1157vg3r4lhhjk3/24989995467.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cf512cdc8---turevelinewel.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081321dcb454---20335748052.pdfIn PDF document text
  • http://yilip.net/userData/board/file/kifekuwezozuwunofudozanar.pdfIn PDF document text
  • https://activepymes.com/pub/file/44192720349.pdfIn PDF document text
  • http://mrpokedb.com/uploads/files/vawef.pdfIn PDF document text
  • http://vuason.vn/upload/files/visareveditatuguk.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/ni5eisluj3eglcoui4vrubl4a5/48818804758.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/314dabba93aed25c9cd6ad30cb86a4a5/poguj.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/db95e109b60a738c3a6a2734520a91d5/tebivugezuribafe.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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