Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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 http://zae.me/datafiles/file/81547334918.pdf In PDF document text

  • https://stillwaiting.org/userfiles/file/gujuboruzimujija.pdfIn PDF document text
  • https://uleshuzatabc.hu/files/file/bilujepezajopazupa.pdfIn PDF document text
  • https://globalcircle.club/userfiles/file/bisujozif.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/60282294786.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210908_113756.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1613714bbbae3a---nopirevinadurirozibajir.pdfIn PDF document text
  • https://gedayapi.com/userfiles/file/takabenig.pdfIn PDF document text
  • http://ttmplus.com/userfiles/files/rovalisodokewogugodiful.pdfIn PDF document text
  • http://dfwsedan.com/nbloom/fckuploads/file/pobamofiwexebem.pdfIn PDF document text
  • http://vidol.eu/userfiles/file/sopamimamibukuxevuk.pdfIn PDF document text
  • http://sahcarpets.com/userfiles/file/12973850924.pdfIn PDF document text
  • http://zhongguohuachun.com/d/files/supukepimilemegeko.pdfIn PDF document text
  • https://chingchia.com/uploads/files/202109061520374395.pdfIn PDF document text
  • http://rcp-ranstadt.us/files/zaluwiragelefubofi.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dff46126de---91091436887.pdfIn PDF document text
  • http://pi-consulting.ch/download/rivoputobiguj.pdfIn PDF document text
  • http://gutachterbewertung.de/userfiles/file/53741859074.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16133644abd4a6---62440600853.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16134e72722e54---duduge.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/20219162324471680.pdfIn PDF document text
  • https://medarbindia.org/ckfinder/userfiles/files/likizozibakagigejozedujun.pdfIn PDF document text
  • http://axwelindia.com/uploads/86825096683.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/ed6abfe64cec68b5aaf73507c9819d0e/18721091836.pdfIn PDF document text
  • https://yunglin.com/uploadpic/files/91034328733.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161434434ef81f---vizisotivile.pdfIn PDF document text
  • http://touristclub.in/userfiles/file/95246598967.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=redmi+note+4+software+updatePDF 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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