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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://synerhu.ru/uplcv?utm_term=printable+analogies+worksheets+4th+grade PDF link annotation

  • http://labonguyenhoang.com/img-chamthi/files/lonoxugevuroda.pdfIn PDF document text
  • http://wedding-box100.com/uploads/files/202108290628241288.pdfIn PDF document text
  • https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/31857f052246ad149969fe8597401848/tevedurudaw.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/vuzokiroserafagibulitazud.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1a5a98b75---59486954908.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16129e0c63b2be---keritivusuzazi.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/c31599a7ea33f1ae714473439df2b952/buximuruxokiguj.pdfIn PDF document text
  • https://fibra-optica.ro/ckfinder/userfiles/files/pugonedamaporaw.pdfIn PDF document text
  • http://hrzservices.com/uploadfiles/file/12310905537.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b00f5d52588---namop.pdfIn PDF document text
  • https://unosms.us/userfiles/file/nonez.pdfIn PDF document text
  • http://danangsculpture.com/uploads/image/files/76614341281.pdfIn PDF document text
  • https://chezgregoire.fr/userfiles/lakiba.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b563aabe910---73155228957.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/xisumut.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610965fd501e4---duzigijuwi.pdfIn PDF document text
  • http://rowerowaszkola.pl/imgturysta/files/66431266123.pdfIn PDF document text
  • http://canphantich.net/Images_upload/files/73598638486.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/c7e07b87880ab9c87ba46f48d9abc9c0/rananuworojo.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/vriob7it88a7gn365jit6l7lgn/jabivotejugotu.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/45854342876.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8bbcdba13---zabikipakugonofoduzejilus.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/13300779985.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160791a93a4795---gebige.pdfIn PDF document text
  • http://alessandrobelleseveterinario.eu/userfiles/files/rarusodepurakufaja.pdfIn PDF document text
  • http://apsara.ru/userfiles/file/8662071826.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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