Malicious PDF — malware analysis report

Static analysis result for SHA-256 3cc2616f9ff1b48c…

MALICIOUS

PDF

111.7 KB Created: 2021-03-14 19:57:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9365ccff19988816cceb4890abbfe401 SHA-1: 9b50982d594e206438cf4b60643159eb60a7e8d5 SHA-256: 3cc2616f9ff1b48c905bcff20758f29b5bbffa35cc933a3522e78256380b80c7
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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 0.8865

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://vilenefex.ru/strik?utm_term=resumen+romeo+y+julieta+libro PDF link annotation
    • https://sidunaxegizu.weebly.com/uploads/1/3/0/7/130776644/0a33cf27afd7b.pdfIn PDF document text
    • http://teren.fun/jeritutofufol6xkg9.pdfIn PDF document text
    • https://tugixafebav.weebly.com/uploads/1/3/2/6/132681891/fawekuxi_pububagegad_nunedebotekapin_lobebi.pdfIn PDF document text
    • https://kukitame.weebly.com/uploads/1/3/1/3/131379641/5210933.pdfIn PDF document text
    • http://xeeewq.xyz/drawing_drapery_from_head_to_toew3qcb.pdfIn PDF document text
    • http://medicalpracticementor.com/bhilwara_milgi_re_hd_videos9hhg.pdfIn PDF document text
    • http://kayikciakademi.com/luguxibatiti88g2y.pdfIn PDF document text
    • https://widowajezow.weebly.com/uploads/1/3/4/5/134584852/8596028.pdfIn PDF document text
    • https://c0542031-e918-481e-9749-e96cdfc70b19.filesusr.com/ugd/3e0cb9_2fa2e316834a4464ab391c24643699cb.pdf?index=trueIn PDF document text
    • https://a765b249-d442-4b07-8ea9-8318d996b894.filesusr.com/ugd/902d29_b7e656e399024c8e8047385ff015c1c1.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/wulagisi/43780579879.pdfIn PDF document text
    • https://s3.amazonaws.com/pomaxa/annual_report_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/jutenojamega/how_do_i_fix_my_suddenlink_ref_code_s0a00.pdfIn PDF document text
    • https://s3.amazonaws.com/vedexajawo/wagner_wallpaper_steamer_stopped_working.pdfIn PDF document text
    • https://s3.amazonaws.com/toliwudalamem/56024144153.pdfIn PDF document text
    • https://348ddb29-83e1-4812-94a1-743b72ef9b42.filesusr.com/ugd/23b571_64c01ed124114fb59cc24eb50359c42b.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/lusegokaves/vegur.pdfIn PDF document text
    • https://s3.amazonaws.com/widiku/veviberuvozosipuwa.pdfIn PDF document text
    • https://s3.amazonaws.com/rewepalazamiso/habitos_alimenticios_en_estudiantes_universitarios.pdfIn PDF document text
    • https://s3.amazonaws.com/suxuzubojut/firewudonudape.pdfIn PDF document text
    • https://s3.amazonaws.com/ladojenefe/4334554835.pdfIn PDF document text

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