Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d274d968475123f…

MALICIOUS

PDF

185.4 KB Created: 2021-07-14 02:28:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 5e05dbac2dc4d39a167ce532cc95e602 SHA-1: a896dfcd18454d8cc0098b517bf10ce56ed6d5cb SHA-256: 1d274d968475123f918f38126569d1b2293010b97eaf3a205e94c3bd1861a054
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to malicious content. The ClamAV detection and ML classifier indicate a high likelihood of malicious intent, likely related to phishing or malware distribution. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7450

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://parfumerieindex.nl/images/uploads/63268857911.pdf In PDF document text
    • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/9f10c790c27a752ca7314fe7b38a1b96/27940687574.pdfIn PDF document text
    • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c84f80b563---lazunofuzurefimod.pdfIn PDF document text
    • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c0b416db5---71902742984.pdfIn PDF document text
    • http://edu-family72.ru/content/images/uploads/file/44255528805.pdfIn PDF document text
    • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/mjla2i88k152ta090qd3ujdlec/tubuw.pdfIn PDF document text
    • https://sharjahcements.com/images/bulk_images/files/21967799115.pdfIn PDF document text
    • http://www.amedna.com/userfiles/files/88335261960.pdfIn PDF document text
    • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/2e29de2ee2d6bf39749d419c2267647f/tipameze.pdfIn PDF document text
    • http://adamlegal.com/userfiles/file/gijosivetaferoxil.pdfIn PDF document text
    • https://luminex.pl/upload/file/sobuvobigiv.pdfIn PDF document text
    • http://ippon.lv/uploads/File/85067413358.pdfIn PDF document text
    • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd83c8e356---90533627582.pdfIn PDF document text
    • http://pajurioverslas.lt/ckfinder/userfiles/files/98680888218.pdfIn PDF document text
    • http://xlsferrosilicon.com/d/files/64034757325.pdfIn PDF document text
    • http://dobrejaja.com/Upload/file/39189489146.pdfIn PDF document text
    • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608d941478a87---xexafisizexu.pdfIn PDF document text
    • http://clubselectionvoyages.com/images/file/fewuti.pdfIn PDF document text
    • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/10daa640c49219edbd4587c586008cd4/papozibegafepup.pdfIn PDF document text
    • http://aldo-ins.com/userfiles/file/91640727389.pdfIn PDF document text
    • http://calliopegoodrich.com/clients/73417/File/93186101910.pdfIn PDF document text
    • https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/7cba8bdaed51a384908658960f5c3e3c/26680320973.pdfIn PDF document text
    • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1341ff0a63cfb56fb58c953106aab34d/zupefedu.pdfIn PDF document text
    • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16094ed86be1de---43771740762.pdfIn PDF document text
    • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/b7c1f9c705a51713852ff696c074816d/muvipeva.pdfIn PDF document text
    • http://china-zub.ru/userfiles/file/xifaxufenokofezilonejag.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=externalising+narrative+therapyPDF link annotation

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