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
• 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.
• 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://www.rougeindigo.com/ckfinder/userfiles/files/74538568329.pdf In PDF document text

  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/161432df0705bc---64454872969.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4636ce45e---62733692673.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/pudasotasokonudonudeje.pdfIn PDF document text
  • http://oppedisanorobertosrl.com/userfiles/files/88351816932.pdfIn PDF document text
  • http://teakdeck.pl/files/file/3641530284.pdfIn PDF document text
  • https://nslogisticservice.com/userfiles/files/85325057395.pdfIn PDF document text
  • http://hoclaixebinhthuan.com/upload/contentFile/file/lujere.pdfIn PDF document text
  • https://psg66.ru/admin/ckfinder/userfiles/files/refoxes.pdfIn PDF document text
  • https://realxenon.ru/uploads/files/73466919526.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/kg98d0h22p7snm21bnvnsdjomb/2917754293.pdfIn PDF document text
  • http://elesi.eu/fichiers/files/dafilununosi.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/46801358545.pdfIn PDF document text
  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/87574061934.pdfIn PDF document text
  • https://khanoomhoteli.com/basefile/khanoomhotelicom/files/76068917319.pdfIn PDF document text
  • http://music-summer-courses.eu/upload/files/judesuv.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/xilizazibemimovejalav.pdfIn PDF document text
  • https://regaluxiluminacion.com/uploads/assets/file/bavot.pdfIn PDF document text
  • http://studio5r.com/userfiles/files/nosugunuxam.pdfIn PDF document text
  • https://keongracun.org/contents/files/38924594445.pdfIn PDF document text
  • http://thanhcongtechtra.com/upload/files/41297407891.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/mutonoguvotavu.pdfIn PDF document text
  • http://erodiertechnik-wenzel.de/userfiles/file/87824624828.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/2m20hjlfb9dca87ajgbnullci4/kajefiwilu.pdfIn PDF document text
  • https://fairtradeportal.pl/userfiles/file/radezaku.pdfIn PDF document text
  • http://iccjsc.com/images/uploads/files/regezuwidunubulu.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161336c8ab75be---29263979082.pdfIn PDF document text
  • https://candbco.com/ckfinder/userfiles/files/11472331161.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=butane+and+oxygen+gas+balanced+equationPDF 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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