Malicious PDF — malware analysis report

Static analysis result for SHA-256 0240e8958b1e91bc…

MALICIOUS

PDF

36.7 KB Created: 2021-03-19 19:15:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 69edce49e808fe29787c5d1f34ef2bab SHA-1: 1ca81585f058acf533d72a6526a390064f98de39 SHA-256: 0240e8958b1e91bc2d550ba6847d64caab0caab6f3e8786315d132730875b695
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing or malware distribution. It contains a single external URI pointing to 'https://baarspo.ru/award?keyword=sejarah+karate+di+indonesia+pdf', which is likely the malicious destination. ClamAV and ML classifiers also flagged this PDF as malicious, supporting the phishing/trojan classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6329

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://baarspo.ru/award?keyword=sejarah+karate+di+indonesia+pdf
    • https://cdn-cms.f-static.net/uploads/4444092/normal_603874ef0fa2c
    • http://femejedad.epizy.com/subarigabosir.pdf
    • http://jugututinotu.rf.gd/xafukuganatuxuvefusoletew.pdf
    • https://uploads.strikinglycdn.com/files/7f9cefcb-ff90-4d07-8bc3-b8acb5da0588/75037410241.pdf
    • https://uploads.strikinglycdn.com/files/8a077311-e036-4c5f-92c8-59ddf650e48a/wd_my_cloud_software_download_windows_7.pdf
    • https://s3.amazonaws.com/woxotopapozokev/40959975810.pdf