Malicious PDF — malware analysis report

Static analysis result for SHA-256 40d68e1ebbb803d6…

MALICIOUS

PDF

58.5 KB Created: 2021-06-29 19:36:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-27
MD5: 978fbdd732fac8716a641a0738da366a SHA-1: 9d19729c0a2ebd8300d1ae67c9114de011ea3ac3 SHA-256: 40d68e1ebbb803d6daf240ba985f48fa3c5082b122ac92c60721d231f48d2364
154 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload storage and disposable hosting. The primary purpose appears to be directing users to potentially malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6836

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 https://anthonygillant.com/userfiles/file/90038914915.pdf In PDF document text
    • https://copab.tn/216mag.svn/uploads/files/dubitebuxelazukujanogika.pdfIn PDF document text
    • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082fe6b67110---95720230042.pdfIn PDF document text
    • https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/sennntdsc31ojnlq1l4v2ohg8f/jufanivotivutelupov.pdfIn PDF document text
    • http://jedwines.com/cmsCart//upload/file/55189644851.pdfIn PDF document text
    • http://daisytalavera.com/userfiles/files/zarenunedakod.pdfIn PDF document text
    • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/a84c31606350753448d56cefe1908396/80855787197.pdfIn PDF document text
    • http://imaginove.eu/data/Files/kidixesotimunujej.pdfIn PDF document text
    • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160761f0a8953e---99387843130.pdfIn PDF document text
    • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/32uh4aip64bkepvltvj8vu9p9p/31760104928.pdfIn PDF document text
    • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/bc724188cfbe00147a522df36bc831a9/kavasuxazuxolenapit.pdfIn PDF document text
    • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160789264a9716---detewuraw.pdfIn PDF document text
    • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085628217f11---bifufofuber.pdfIn PDF document text
    • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e2cfa8b9296e78c2ae6a4da31a28ad1d/giruve.pdfIn PDF document text
    • http://am-assets.com/aom/magnolia/userfiles/file/50404181696.pdfIn PDF document text
    • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0748eb4ab80e0ec3e1fb27667ea22ec0/ridibanuriradujobojar.pdfIn PDF document text
    • http://jjmcp.jp/userfiles/Image/file/39291116182.pdfIn PDF document text
    • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/v07snk3vrlil483s7tasrrt651/14737295414.pdfIn PDF document text
    • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/4eb8a543feeb4d6499c0977e275108c1/xitolepuvaza.pdfIn PDF document text
    • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e57220ad2b---nipezasozimidutazujes.pdfIn PDF document text
    • http://gibisch.org/files/files/pelufazasojarojesod.pdfIn PDF document text
    • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fb7a64d4e---xibikafufebizasolowilak.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=peria+chronicles+release+datePDF link annotation

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