Malicious PDF — malware analysis report

Static analysis result for SHA-256 0eb2ecdca401b308…

MALICIOUS

PDF

57.3 KB Created: 2021-07-13 11:41:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: 95d22969203fbbb4e8923784312ce09e SHA-1: c0ac5dc7dbb44b80072ee61b141a64c0c86c7642 SHA-256: 0eb2ecdca401b308d1c21fca9bfdd77b3b1858bdf92adc3f81a6c68971b20b03
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a link farm designed to redirect users to various compromised websites, as indicated by multiple heuristics and extracted URLs. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification further supports its malicious nature. While no scripts were explicitly extracted, the structure suggests it's intended to facilitate phishing or malware delivery via these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5388

Heuristics 5

  • 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 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
  • 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://monyetmesum.com/contents//files/67996331770.pdf In PDF document text
    • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/j54ncamqlda2g46qpckp7g5ih4/49297094554.pdfIn PDF document text
    • http://franklinbristerharveyfamily.com/clients/a/a8/a8910385c57dfddac3c6311e2bd1422e/File/lisuboxujewogudanakugome.pdfIn PDF document text
    • http://ilyxrace.com/userfiles/files/porupuzaz.pdfIn PDF document text
    • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160811e83dc528---75551453767.pdfIn PDF document text
    • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16098d2aaa904a---93653014818.pdfIn PDF document text
    • http://jumpstart.mobi/ckfinder/userfiles/files/46215416861.pdfIn PDF document text
    • http://beijingxinzhi.com/userfiles/file/20210526125117_1270679003.pdfIn PDF document text
    • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aebd006602e---85201285658.pdfIn PDF document text
    • https://agermag.ro/mm/file/9491715939.pdfIn PDF document text
    • https://avigailpekelman.com/sites/default/files/file/dolaziwevoguzuzibil.pdfIn PDF document text
    • http://seednseed.com/admin/fckfiles/file/juxojoragegumedufividifu.pdfIn PDF document text
    • http://asirakademi.com/resimler/files/zedimiwofivazuvuw.pdfIn PDF document text
    • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160db41921a320---9708210751.pdfIn PDF document text
    • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/63c2c65649ba7e7fa001d6efd225be92/nelaxubaxijuvebagogerezeb.pdfIn PDF document text
    • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/14e2dc7552a6c09a8551ab4cbf456f1b/nezekoropak.pdfIn PDF document text
    • https://hse.tw/upload/file/28538605463.pdfIn PDF document text
    • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/91e657df1b5db39897aa91faa56eb06e/wopunuwikikamejasijaluxis.pdfIn PDF document text
    • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607293ef05efa---13351173384.pdfIn PDF document text
    • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/90aca078b2d02b8344c7708cb7dcaf74/galuso.pdfIn PDF document text
    • https://mobilieroccasion.fr/uploads/file/43065495517.pdfIn PDF document text
    • https://nbtele.com/en/cache/fck_files/file/13288447482.pdfIn PDF document text
    • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/2e7db81c05480f7af3754983ceb116f3/63519829343.pdfIn PDF document text
    • http://greenplanetnepal.com/userfiles/file/gipikuxi.pdfIn PDF document text
    • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c99dc60455e---noxevimag.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=painful+sphincter+musclePDF link annotation

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