Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ed47c2241d3c4ed…

MALICIOUS

PDF

48.0 KB Created: 2021-09-26 19:19:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 84bfa8960a739e953b042c23bdeeef3d SHA-1: 9d82929bc407e473103f3a16f4992c5fbaba7e95 SHA-256: 9ed47c2241d3c4ed1eee2ce6fcb4ad756d6c1df399e336a095934271326d504b
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. Although no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6441

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://pixomot.ru/uplcv?utm_term=the+purge+torrent+magnet PDF link annotation
    • http://akiisushi.com/uploads/files/rotolonanozibujumik.pdfIn PDF document text
    • http://xn-----elcksuhhemsi4e.xn--p1ai/files/files/gigabuvop.pdfIn PDF document text
    • http://daimarconstrucciones.com/images/admin/file/692195579.pdfIn PDF document text
    • https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/petunokelajon.pdfIn PDF document text
    • https://ap-qatar.com/userfiles/files/83665230188.pdfIn PDF document text
    • http://nj-rshb.com/v15/Upload/file/2021962049345114.pdfIn PDF document text
    • http://peoplefineart.com/assets/202109/files/20210917222117968249.pdfIn PDF document text
    • https://kildevangen.dk/files/ratomuxidadut.pdfIn PDF document text
    • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/jimoti.pdfIn PDF document text
    • https://metrosecuritynepal.com/assets/userfiles/files/4171861800.pdfIn PDF document text
    • https://baldai.manovonia.lt/images/files/mojal.pdfIn PDF document text
    • http://cwpni.com/userData/ebizro_board/file/20645499746.pdfIn PDF document text
    • http://lltsg.com/uploadfile/file///2021092606123399.pdfIn PDF document text
    • http://juentai.com/userfiles/files/83509466863.pdfIn PDF document text
    • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/10033212779.pdfIn PDF document text
    • http://studiorapizza.it/userfiles/files/lozatopemapewojunapite.pdfIn PDF document text
    • https://rireenfrance.com/images/upload/files/59907769583.pdfIn PDF document text
    • http://sgpeo.pl/users/file/90472035598.pdfIn PDF document text
    • http://okfilm.kr/userData/board/file/josunosafo.pdfIn PDF document text
    • http://dsraxys.com/uploads/68095974567.pdfIn PDF document text
    • http://sxsasa.org/images_fck/file/1632430149.pdfIn PDF document text
    • http://bourgogne.annuaire-regional.com/ckfinder/userfiles/files/67573446457.pdfIn PDF document text
    • http://wcsps.com.tw/ckfinder/userfiles/files/rifelofukatodusabaxawilus.pdfIn PDF document text
    • https://megacook.pt/site/upload/file/zenibokamufef.pdfIn PDF document text
    • http://elsekmont.eu/userfiles/file/89846558327.pdfIn PDF document text