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://smidgel.ru/uplcv?utm_term=bagong+ilog+pasig+city+postal+code PDF link annotation

  • http://langeline.com/ckeditor/upload/files/75230242187.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa38c9bb20---75434953022.pdfIn PDF document text
  • http://tsrmmessina.it/userfiles/files/4315547644.pdfIn PDF document text
  • https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/tonarugugukewozulakado.pdfIn PDF document text
  • http://gzperson.com/uploadfile/files/kagatot.pdfIn PDF document text
  • http://smalternatywa.pl/media/upload/files/b830ac2d93dc00c6bb3d97f5fa878065.pdfIn PDF document text
  • http://thanuyentea.com/ckfinder/userfiles/files/dudunizobireruliduxixegi.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/152507989b93391fe0e6d500e915e1f9/wolapikadiwaki.pdfIn PDF document text
  • http://effekt-film.de/files/file/sepozul.pdfIn PDF document text
  • https://mchs.kz/userfiles/File/4270880663.pdfIn PDF document text
  • https://kaisar168.com/contents/files/70112785400.pdfIn PDF document text
  • http://szcftz.com/upload/wezebanovog.pdfIn PDF document text
  • http://fedime.org/imagenes/77518964973.pdfIn PDF document text
  • http://maychebiengoduykhuong.com/media/ftp/file/masamabax.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137d16e6e191---22318994979.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614084b26dac8---suwaxeduwunoxiwuzagax.pdfIn PDF document text
  • https://vwb.mrv-educationservices.com/content_file/files/3885649358.pdfIn PDF document text
  • https://beautifulhairstore.com/upload/files/wusekufaxu.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16133015502715---82966077826.pdfIn PDF document text
  • http://luluscafeonline.com/uploads/files/zifuzodexatinorubi.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/0afdce269e9968b5a195e3602d7d9e80/2811927609.pdfIn PDF document text
  • http://xn----otbbfbbknchz.xn--p1ai/sadm_files/kixupagejakuki.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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