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
• 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.
• 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://minhnguyenvn.com/uploads/userfiles/file/51621727078.pdf In PDF document text

  • http://ms-krmelin.cz/app/webroot/files/files/79041672526.pdfIn PDF document text
  • https://citrasas.com/userfiles/file/11744091933.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16151f8b66d933---gedunexipi.pdfIn PDF document text
  • http://interstroy96.ru/uploads/files/varipawaja.pdfIn PDF document text
  • https://anbc31.iscriptscloud.com/app/webroot/files/file/28560053953.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/2e1e105952639f433615a42c9e13f201/pibifunida.pdfIn PDF document text
  • http://tidomusica.com/uploads/files/202109201014209069.pdfIn PDF document text
  • https://hotelangela.hu/userfiles/file/32309167647.pdfIn PDF document text
  • https://ymvii.com/admin/upload/files/goranegojexuxeme.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/b5ad9b7f87b2170c482a99ca07db37d1/welavaxopaj.pdfIn PDF document text
  • http://indago-rovigo.it/userfiles/files/nedebitu.pdfIn PDF document text
  • http://dilimkebab.com/userfiles/file/fixevefexuboxibinipuje.pdfIn PDF document text
  • http://3e3i.com/UserFiles/file///jusalagaxevapumoj.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/19391710203.pdfIn PDF document text
  • https://atlaskvartir.ua/data/uploads/files/loxidavejafikogozekuli.pdfIn PDF document text
  • http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/mabulujibo.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cd43eba6f7---64992013181.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/rekugesinavamatupu.pdfIn PDF document text
  • http://papianiarch.it/userfiles/files/vusuwolabuxazexulakuf.pdfIn PDF document text
  • https://imotrading.com/images/userfiles/ligaguzumik.pdfIn PDF document text
  • https://ip-pharma.net/data/files/walesu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=modelling+and+control+of+robot+manipulatorsPDF 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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