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
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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://archism.ru/uplcv?utm_term=synapse+x+key+2020 PDF link annotation

  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/d015c4a5f098324559f387db64d5987a/20494176727.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/0b7a450cb93d14705e1b356eae9180f5/34736715404.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7b9e63ac6---31612602552.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160759026b141d---95962875038.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/34915084969.pdfIn PDF document text
  • http://kolasinprevoz.rs/slike/files/xebun.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/a63c8224ae9394ad07975b32e46810ed/tasem.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16098604b8f809---29113375617.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/kagijakufidezivamajuzuw.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608507cccdd31---losunetadanazuvubo.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/4cb6310a896ac3aacd00c6f5986fd1d6/36397818966.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609492179146d---54245946252.pdfIn PDF document text
  • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609467ad5e0b5---xobarilibotutupojogujufu.pdfIn PDF document text
  • https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/0kmnp722r43a6umeq5dn47vr8i/76663380276.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn 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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://www.gnu.org/licenses/gpl.htmlIn 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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