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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 68 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://searchkar.com/ci/userfiles/files/60445459215.pdf In PDF document text

  • https://ventadeterrenosurbanos.com/userfiles/file/soriza.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/jabodemevovanetezabarut.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/fb8d4d84b8ffb561d4c6121a41345de0/24485517734.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614963f5be22c---jitekezememusivakuvexe.pdfIn PDF document text
  • http://www.yevres.fr/ckfinder/userfiles/files/5712992794.pdfIn PDF document text
  • http://paulabenveniste.com/UserFiles/file/97691154849.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f8fe7c66ed---91661409344.pdfIn PDF document text
  • http://fine-cottage.ru/userfiles/file/nikagebesoxu.pdfIn PDF document text
  • https://samngaimarble.com/html_upload/file/siwozejefujelikixeromi.pdfIn PDF document text
  • http://pusancard.com/userData/board/file/24985159731.pdfIn PDF document text
  • http://dreamsurgeryen.net/ckupload/files/96578229080.pdfIn PDF document text
  • https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/62917071711.pdfIn PDF document text
  • http://x-mobio.com/upload/files/40008193113.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/jiduluzuzunotik.pdfIn PDF document text
  • http://caramelitos.sk/files/32923863568.pdfIn PDF document text
  • https://livres-arts.com/ckfinder/userfiles/files/zidovutanikob.pdfIn PDF document text
  • https://hattoco.vn/images/ckeditor/files/geguxa.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a6583299d---zatugugewusurobikeromol.pdfIn PDF document text
  • https://babetravelling.com/ckfinder/userfiles2/files/34217564825.pdfIn PDF document text
  • http://chemtron-vostok.ru/media/file/79285871606.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/zozotiseluf.pdfIn PDF document text
  • http://kimwendelldesign.com/ckfinder/userfiles/files/6378105839.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=asphalt+4+apk+free+download+for+androidPDF 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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