Malicious PDF — malware analysis report

Static analysis result for SHA-256 3afabbc4b79613bb…

MALICIOUS

PDF

40.1 KB Created: 2021-05-21 13:47:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 20833fa21198722e02f5da8ee549e243 SHA-1: 86d318c1df554b2b4a3c3602ce8bcc499d1c3d54 SHA-256: 3afabbc4b79613bbb284027b06ae77c6156a9a0a1a5f714bcb34495601085d33
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action phrase, 'CLICK HERE TO ACCESS ROBLOX GENERATOR', which is a common lure for phishing or malware distribution. The ML classifier also flagged this PDF as malicious. The presence of multiple links to game-related cheats and generators suggests a social engineering attempt to trick users into visiting potentially malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8018

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://netcdn.xyz/app/431946152/roblox-e-free-game-hack
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/minecraft-cheats-pc-2021_GM479516143.pdf
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-coin-master-spins-2021_GM406889139.pdf
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/minecraft-free-install_GM479516143.pdf
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-24-7-minecraft-server_GM479516143.pdf
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
    • https://www.roblox.co
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000354e.bin
417dbd00204ab2d82ed7d91c818ed7ad46ddbdd818df6e81752fee625157f19f
pdf-font-stream PDF embedded font (sfnt) at offset 0x354E 25784 bytes
font_01_sfnt_off00006f95.bin
608f0dd4f6bfb6adbccec84228618ee8e4c9e09226d7330efb5300e499d1567f
pdf-font-stream PDF embedded font (sfnt) at offset 0x6F95 3608 bytes
font_02_sfnt_off00007c1c.bin
d348a28c20d84607266cf4383086699849c2e165e4b62701163ae11a844c8f27
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C1C 17948 bytes