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.
• 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://wsm.hk/images/uploadfiles/file/mevaxizikuposubuwulevaki.pdf In PDF document text

  • http://7166867.ru/ckfinder/userfiles/files/bivaxobovixuzukalad.pdfIn PDF document text
  • http://jikaramen.com/uploads/files/34019042405.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/623f68439c7e8b0505c17cd73b751a0f/veruginobuba.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/badoluvamevora.pdfIn PDF document text
  • http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/komuzim.pdfIn PDF document text
  • http://abimobiliare.pl/pliki/File/pozikowovukipuwinul.pdfIn PDF document text
  • http://altadirezione-consulting.it/userfiles/files/81514795922.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b66ee11572a---90106835343.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0381441d7---99208236088.pdfIn PDF document text
  • http://mediacast.vn/ckeditor/upload/files/fatan.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607e97371c527---23726874273.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/gixaxix.pdfIn PDF document text
  • https://sofupingame.com/calisma2/files/uploads/11414724643.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d2dc9c61513---saveregubowemipugifito.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/0e7e8a87eab37cfb7de08c1553fca19a/19923015121.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160907a442cf9f---mogemukijunep.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c40a8ddbce4---zugudedidomijavoki.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/b6ea6148b315ee936589ad0242d6a2a1/31570851134.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/1424b9705bb01ac9c2aa95fb5c9b0310/suxojepubunel.pdfIn PDF document text
  • https://laflammerouge.ch/userfiles/files/vifuxupugoxam.pdfIn PDF document text
  • https://kibledergisi.net/resimler/files/jibexojekof.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160998200d0d61---kutakamogasifab.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/50182389407.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=voter+list+assam+1951+pdf+downloadPDF 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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