Malicious PDF — malware analysis report

Static analysis result for SHA-256 64d3f2efad0b38e6…

MALICIOUS

PDF

52.3 KB Created: 2021-02-08 08:59:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: f3b9fb70282742c5473769caa91d08b1 SHA-1: a6f5e804b51dc8fd454b590099dd7bb609438919 SHA-256: 64d3f2efad0b38e6785e4173cd0ee7d355b7eac97a64bf5149fec44a97fcfe3d
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URLs, such as 'https://jottigo.ru/aws?utm_term=telugu+movies+tamil+dubbed+free++hd', are likely used for phishing or to download further malicious content. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5648

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://jottigo.ru/aws?utm_term=telugu+movies+tamil+dubbed+free++hd PDF link annotation
    • http://effektzhizni.ru/petsmart_parakeet_diedqkl1p.pdfIn PDF document text
    • http://apsmall.space/pokemon_alpha_sapphire_decrypted_3dsqouzy.pdfIn PDF document text
    • http://usersonlineguardingsettings.site/sofojanelewopig68ica.pdfIn PDF document text
    • https://muwewixobajigu.weebly.com/uploads/1/3/4/3/134312624/830b777b72cb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426267/normal_5ffdc6563202a.pdfIn PDF document text
    • https://cdn.sqhk.co/rufebumu/jaDUSie/13004973085.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450340/normal_5fdbaeb6ca4ee.pdfIn PDF document text

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