Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d342fca3568f869…

MALICIOUS

PDF

47.0 KB Created: 2021-09-28 01:15:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: 32928cb65938025590d63fbb349ec827 SHA-1: 67a20fc84b4bf5cf458096f184a9b420b79a0211 SHA-256: 0d342fca3568f8691a822b4ff69e499b7b21cfc7494c6b06674560dec1a61739
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript which is designed to redirect the user to a remote URL. This is a common technique for phishing attacks or to download further malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links to disposable hosting, further supporting the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6520

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
  • 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
  • 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://garglob.ru/uplcv?utm_term=gta+v+hud+gta+sa PDF link annotation
    • http://doktor-okonski.pl/uploadimg/file/38906143160.pdfIn PDF document text
    • http://archiw.gbpopatowiec.pl/img/upload/files/zojorivakonubodajovunewek.pdfIn PDF document text
    • https://angkagenap.com/contents/files/sasokotolewosigaker.pdfIn PDF document text
    • http://archive-2014.humandoc.pl/attachments/file/29556503512.pdfIn PDF document text
    • https://leresto-niort.fr/images/userfiles/files/60025272862.pdfIn PDF document text
    • http://slenderclub.cz/ckfinder/userfiles/files/46125282745.pdfIn PDF document text
    • https://prestinieurope.ch/userfiles/files/juzokuzutuwo.pdfIn PDF document text
    • https://aep-tc.com/cache/fck_files/file/gorikinijosugetogeso.pdfIn PDF document text
    • http://aaykpn.com/uploads/editor/files/53860470332.pdfIn PDF document text
    • http://xn--oy2b19v1mb1yi.com/userfiles/file/sazopal.pdfIn PDF document text
    • http://saothienemb.com/uploads/images/files/feruruzugidilibuxoxejapaw.pdfIn PDF document text
    • https://kawanmto.com/contents/files/68957231910.pdfIn PDF document text
    • http://trumoi-khutrung.com/upload/files/37997414895.pdfIn PDF document text
    • http://rrmkaryacollege.org/rrmkarya/userfiles/file/sodusalimet.pdfIn PDF document text
    • https://bibonatura.com/ckfinder/userfiles/files/lobelisidadi.pdfIn PDF document text
    • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/ccb4c35634c8a7ba8f8958517b050dd7/81121128768.pdfIn PDF document text
    • https://www.netcorp.hu/data/editorfile/73668729548.pdfIn PDF document text
    • http://ekstelekom.com/userfiles/file/nagevufago.pdfIn PDF document text
    • https://dsverano.com/UserFiles/File/90606472531.pdfIn PDF document text
    • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/53029980251.pdfIn PDF document text
    • http://geonatlife.es/ckfinder/userfiles/files/15507168092.pdfIn PDF document text
    • http://budka39.ru/files/67355176160.pdfIn PDF document text
    • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/d5a34cbc1c3a0b5b2c1816e99d451205/75958673958.pdfIn PDF document text
    • https://adeptos.clevercloud.pt/images/items/files/80882868825.pdfIn PDF document text
    • https://www.emcp-pmce.ca/_includes/ckfinder/userfiles/files/39395662014.pdfIn PDF document text

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