Malicious PDF — malware analysis report

Static analysis result for SHA-256 bcf3ce176b412b09…

MALICIOUS

PDF

36.4 KB Created: 2021-03-02 04:58:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: dd85a70385e9bd38548dd79822384ef3 SHA-1: 14f9240a05137a58592a78c1a41e50d482862c73 SHA-256: bcf3ce176b412b099733abd2719e409b3d318ec75fba1d0d88571ef56eb62f74
114 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 uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6252

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 36 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://zajinet.ru/wb?keyword=what%20is%20the%20salary%20of%20a%20chick%20fil%20a%20manager PDF link annotation
    • http://criticcxck.space/the_importance_of_being_earnest_1952_movie_downloadzr91h.pdfIn PDF document text
    • http://sidufapas.mywebcommunity.org/el_amor_en_los_tiempos_del_colera_pelicula_completa_hd_latino.pdfIn PDF document text
    • http://shishkin-seed.xyz/cucu_photo_studio_kelapa_gadingbzr09.pdfIn PDF document text