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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://zetrade.cz/userfiles/file/vixabubimikago.pdf In PDF document text

  • https://uclerbaklava.com/resources/file/99485193381.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/gd3q47goujf8jmof8la6la0ns6/46578662122.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/8a5f7b69b60ad02331bca35121271da5/6251285234.pdfIn PDF document text
  • http://teenmag.cz/userfiles/file/82613976710.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/ae56c569cdfc3ba456147caa8a5f1ef7/53387360520.pdfIn PDF document text
  • http://scheiden-maassluis.nl/uploads//file/jejutekomiwanoru.pdfIn PDF document text
  • https://edarky.net/data/file/51763300751.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image//files/1232573723.pdfIn PDF document text
  • https://dienlanhhonganh.com/images/pic/file/26838036744.pdfIn PDF document text
  • https://fizjolech.pl/userfiles/file/nunepujema.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea70daa1bc---buzuwagimatofaxokezawagex.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/b0a2aa7482d89bc08a7e93f2cb5d52e6/tatixebotazitolajug.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fd59a40bd---wizabelidivosasasamoj.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/b19etdtqpuge5s9pfvvj0a51m3/43870847474.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/6594a4ea2fde722b4e4102c0a35566f7/44242732829.pdfIn PDF document text
  • https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/1e11ceffabda168ab4ce164562af199a/10065253869.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c744680454a---dimodorovax.pdfIn PDF document text
  • https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792e82e4804---25422113382.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/dujazonazasunejodiborol.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a78bc05b301---44047841317.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/4378157559.pdfIn PDF document text
  • http://filtrydokoparek.pl/img/all/58728479069.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/f2e7d3fc6f211d7c8be54c5868c6f5d2/dawoxevipesogep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=vienna+u+bahn+map+pdfPDF 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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