Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb7e4a6df1f68d8b…

MALICIOUS

PDF

63.8 KB Created: 2021-09-24 02:52:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: b36f75e059c9dd68c7728b87637de2e1 SHA-1: 34f5224ece7c4a4df2ec2868e8f7596d959421b5 SHA-256: eb7e4a6df1f68d8bee6ebcfb748bc676a8ba6752410d12cea2155eb67bc56ccd
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded links pointing to various domains, indicating a link farm or phishing attempt. The ClamAV heuristic specifically flags it as 'Pdf.Phishing.Trojan', reinforcing the malicious intent. The presence of external URIs and the structure of the PDF suggest it is designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3846

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://nomylo.ru/uplcv?utm_term=laxmi+bomb+full+movie+free PDF link annotation
    • https://unovosti.tv/ckfinder/userfiles/files/namoledegegexisab.pdfIn PDF document text
    • http://khodahoanglang.com/admin/webroot/upload/image/files/63392256827.pdfIn PDF document text
    • https://onlineadda.organicemall.com/ckfinder/userfiles/files/geropadi.pdfIn PDF document text
    • http://openendrep.com/userfiles/files/13982933163.pdfIn PDF document text
    • http://naosgym.com/userfiles/files/falewo.pdfIn PDF document text
    • http://karcannakliyat.com/userfiles/file/nubogixaveziparu.pdfIn PDF document text
    • http://pujcovnanaradi-tvarozna.cz/userfiles/files/42289734744.pdfIn PDF document text
    • http://flynewsletter.com/uploads/file/86606179450.pdfIn PDF document text
    • http://galaxyjewel.cn/uploadfile/files/walagekasutufoxijoxa.pdfIn PDF document text
    • http://huh.hu/UserFiles/File/1025711699.pdfIn PDF document text
    • http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/63992992045.pdfIn PDF document text
    • https://tractorpulling-emmeloord.nl/upload/file/sajatamixededizenalote.pdfIn PDF document text
    • https://buffinvestment.com/upload/ckfinder/files/jopeg.pdfIn PDF document text
    • http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/12588357863.pdfIn PDF document text
    • http://9meclinic.com/ckfinder/userfiles/files/viloxitolopewurumu.pdfIn PDF document text
    • http://medwin.kr/userData/board/file/firarenuronojixijotem.pdfIn PDF document text
    • https://jnnjhansi.com/userfiles/file/14808424708.pdfIn PDF document text
    • http://studioturina.com/userfiles/files/vutuj.pdfIn PDF document text
    • http://evohome.pl/userfiles/file/72683746708.pdfIn PDF document text
    • http://sudeoksa.net/userfiles/file/20210911070734.pdfIn PDF document text
    • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16140380df1658---36546080875.pdfIn PDF document text
    • http://thaifilmind.com/upload/files/5453848659.pdfIn PDF document text
    • http://gldbirdgel.com/user_img/files/85179002.pdfIn PDF document text
    • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613efcc2d19e9---tibeluwafegewi.pdfIn PDF document text
    • http://orderbestwings.com/uploads/files/limunarijukuwamusofed.pdfIn PDF document text
    • https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/limuriguwi.pdfIn PDF document text