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 https://queure.ru/uplcv?utm_term=how+to+get+mold+off+leather+shoes PDF link annotation

  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/4650fbd688a41ff3f4841cecd8ebec58/winadetuwa.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c68ed602712---61894518915.pdfIn PDF document text
  • https://x-software.cz/data/file/64300012783.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/4097ton6unapj4bke8upi7n6u7/52399413075.pdfIn PDF document text
  • http://tlxzkj.com/uploads/file/010320293888.pdfIn PDF document text
  • https://silga.ca/userfiles/file/72598773298.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/e3474d98ea9bda7db955e9f27cc46e17/gulalasawuwuk.pdfIn PDF document text
  • http://begemot-rus.com/uploadfiles/file/2021060104180473499.pdfIn PDF document text
  • http://nessium.net/userfiles/file/53838537371.pdfIn PDF document text
  • http://scoutpate.com/userfiles/file/7079963252.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a77284d210f---6685728511.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/23601440422.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/bu500jkbdfaih2j6kg0oqioqqs/koxotazubewafijo.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e3efaef82---12830702317.pdfIn PDF document text
  • http://boathousebrokerage.com/userfiles/file/62801772746.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/740dc443349260e70e5bbccc3313deed/ramakilo.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/vvnhm139bhraddqn9ph87nsdc0/wotamituvejarutizidari.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/mmtc5ceca5n4cc8i230ok7lm02/lebobuxebijokugubegosiwud.pdfIn PDF document text
  • https://signika.pl/Upload/file/40593636134.pdfIn PDF document text
  • https://mattress-leader.com/media/13266961837.pdfIn PDF document text
  • http://cherriestattoo.com/ckfinder/userfiles/files/33263617995.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1a31d760f---mowipozujazaputemexexize.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d27e5b36b---53630269021.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/27222621338.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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