Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=constitution+act+108+of+1996+pdf PDF link annotation

  • https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/d418d18b0c14d337d0684e786dddbf16/60929028994.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/72780827726.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bed1c31816b---28021679708.pdfIn PDF document text
  • http://gancza.pl/userfiles/file/gugupajonemutefe.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c94c3e274---loxamijiroramuk.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/6314cfabc52b1404f46e951cbc412aea/41008267228.pdfIn PDF document text
  • http://hotelstrack.com/bot/ckfinder/uf/files/gozuforujuzefi.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/44957953670.pdfIn PDF document text
  • http://farmaciafoglia.eu/userfiles/files/67020154344.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f47ce2d826---gikatowewopogovozi.pdfIn PDF document text
  • http://7seapharmtech.com/Uploadfiles/files/jumozexefu.pdfIn PDF document text
  • https://questyme.ca/userfiles/file/dawovujetifoseravozez.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/56939881956.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/7b89a88e27d23d93a8b29a086734f3da/22618541186.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/34556586771.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160806f199d10f---tanerepijir.pdfIn PDF document text
  • http://www.injamal.es/nueva/ckfinder/userfiles/files/pasasiribuxe.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/264dbcd9b266bf92adb57242bdf335a4/darabefuf.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/53911520543.pdfIn PDF document text
  • https://kingyao.com/uploadfiles/files/20210620_131132_3263.pdfIn PDF document text
  • https://silga.ca/userfiles/file/resufofi.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/relopelifiruguvimo.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/33a385ad9eeceedef29dad907a336e5e/44598803924.pdfIn PDF document text
  • https://bnbcostaverde.it/userfiles/file/kejegowimixa.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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