Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e8d51f0dcb03052…

MALICIOUS

PDF

62.5 KB Created: 2021-09-18 01:29:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 890d6cfca311e03cc5feb4e66566a874 SHA-1: a3e0aebc8de1ca29aef39a8334da0775f863344e SHA-256: 0e8d51f0dcb03052d76975dd5818441d01ff6d1ffb390cff50b5f2361d2cde0a
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was identified as malicious by ClamAV and an ML classifier. It contains numerous external URIs and is structured as a link farm, with many links pointing to disposable hosting. The primary purpose appears to be directing users to external sites, likely for phishing or to download further malware, as indicated by the 'Pdf.Phishing.Trojan' detection name.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5897

Heuristics 4

  • 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.
  • 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://drafthe.ru/uplcv?utm_term=ludo+apk+free+download PDF link annotation
    • https://ce-mi.pl/uploads/userfiles/files/kizunox.pdfIn PDF document text
    • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614137c889e6e---42412137552.pdfIn PDF document text
    • https://franchise-vietnam.com/app/webroot/img/files/ragovasekajoxe.pdfIn PDF document text
    • http://heatexchangersolution.com/upload_fck/file/2021-9-10/20210910070047131197.pdfIn PDF document text
    • http://ackerviewguesthouse.com/userfiles/file/xuniduwewu.pdfIn PDF document text
    • http://pantryscan.com/123cars/imagefck/file/punadupebelodax.pdfIn PDF document text
    • https://lesura.net/userfiles/file/86166648545.pdfIn PDF document text
    • http://flixgolf.com/ckeditor/ckfinder/userfiles/files/57864358602.pdfIn PDF document text
    • http://thaymanhinhlaptop.com/userfiles/file/nukojunirabitefug.pdfIn PDF document text
    • https://betalinktech.com/blmedia/file/kukinitufedaj.pdfIn PDF document text
    • https://hotelharmika.com/assets/userfiles/files/71540629289.pdfIn PDF document text
    • https://arerp.kr/data/file///24012050322.pdfIn PDF document text
    • http://www.pics4us.de/userfiles/file/faxuli.pdfIn PDF document text
    • http://canoeing.by/pics/files/jewoxapuwefoxasofarosisiv.pdfIn PDF document text
    • https://imihwa.com/uploads/image/20210901/files/20210901105937.pdfIn PDF document text
    • http://bioident.pl/photos_fck/file/niruzisuwofu.pdfIn PDF document text
    • http://skulpt.in/admin/uploads/file/78768193594.pdfIn PDF document text
    • https://marblo.com/app/webroot/img/files/podos.pdfIn PDF document text
    • https://theatresaucinema.fr/uploads/file/48498176798.pdfIn PDF document text
    • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/9e65568cde9843ad8d52bb20ab734b82/muvaza.pdfIn PDF document text
    • http://wenyanchem.com/upload/files/terinizopivuvovikirewu.pdfIn PDF document text
    • http://9275522-travel.com/userfiles/file/44475245507.pdfIn PDF document text
    • http://swapnakoodu.com/fck_uploads/file/24643866159.pdfIn PDF document text

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