Malicious PDF — malware analysis report

Static analysis result for SHA-256 f29aa71a9007f6f0…

MALICIOUS

PDF

55.7 KB Created: 2021-09-24 02:03:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-01
MD5: 512bc0f43d858bab5a6edbdb028d9cf0 SHA-1: 54dd01c99c1843b246848e88bb19848750d81ffc SHA-256: f29aa71a9007f6f087553d5c242100cd37191a37ede7a49f0f66a45d3c6905f7
124 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7352

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 http://skpizzasubs.com/uploads/files/kewavadunomaraz.pdf In PDF document text
    • https://eccdc.org/application/webroot/userfiles/file/tebetafotor.pdfIn PDF document text
    • https://netwindowvn.com/uploads/userfiles/file/zuwamimifinugovij.pdfIn PDF document text
    • http://xz-brand.com/ckfinder/userfiles/files/xovamamekeveputuguduwu.pdfIn PDF document text
    • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc7e7ca2c9---tikolotusadedis.pdfIn PDF document text
    • https://fullprotec.com/ckfinder/userfiles/files/79044509794.pdfIn PDF document text
    • http://ncdesign.it/userfiles/files/bolifova.pdfIn PDF document text
    • https://iphone-odklep.si/vsebina/lerututijagajakolaxu.pdfIn PDF document text
    • http://jyjwqj.com/uploadfile/file///2021091206485017.pdfIn PDF document text
    • https://clubsecurite.fr/webroot/upload/files/gusuxabelumolurik.pdfIn PDF document text
    • https://aodaixuan.vn/app/webroot/upload/image/files/68623852757.pdfIn PDF document text
    • http://laxycoffee.com/upload/files/sivek.pdfIn PDF document text
    • https://badrivishal.com/media/22379218895.pdfIn PDF document text
    • https://sreekanakananda.com/ckfinder/userfiles/files/84926552961.pdfIn PDF document text
    • https://www.milestonesmn.org/ckfinder/userfiles/files/76918521178.pdfIn PDF document text
    • https://ermolino.mebel18.com/uploads/files/godaxafarezenojuzazufix.pdfIn PDF document text
    • http://laarakkers.com/ckfinder/userfiles/files/30840993482.pdfIn PDF document text
    • https://drhuanghair.com/uploads/files/202109021412136786.pdfIn PDF document text
    • http://ihanzao.com/userfiles/file/20210903104258_294271427.pdfIn PDF document text
    • http://sungwoneng.com/upfile_editor/2021/files/dibujubikapuxiparulekire.pdfIn PDF document text
    • http://pscemetery.com/userfiles/file/lobumomapoboluzu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=play+store+app+download+for+laptop+windows+10PDF link annotation

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