Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e7ed2df8614deb7…

MALICIOUS

PDF

47.7 KB Created: 2021-05-30 11:29:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 5bd7c732f0f510661bfc24e3025862f4 SHA-1: c08ba62df03edcc749277bc00b3f73515206d1e8 SHA-256: 1e7ed2df8614deb7c66c302b0693132936c0d8069b62b7cd82898ed56bc95e32
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action lure for 'Free Robux', indicating a phishing or scam attempt. The presence of multiple external URIs suggests the document is designed to redirect users to malicious websites, likely for downloading further malware or engaging in credential harvesting. No scripts were extracted, but the document's structure and embedded links strongly suggest a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9418

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/free-robux-without-human-verification-2021-game-hack
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-free-gifts_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-free-coins_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-free-tiktok-likes_GM835599320.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/tiktok-followers-for-free_GM835599320.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-realms-for-free_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-minecraft-maps_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-server-hacks_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/get-free-robux-now_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-free-spins_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/give-me-free-robux_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-tiktok-likes-without-verification_GM835599320.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/best-minecraft-hacked-client_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-java-edition-download-free_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-build-hacks_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-get-free-robux-for-kids_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-gift-card-codes-2021_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-minecraft-bedrock-server-hosting_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-daily-free-spins_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-2021_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/minecraft-apk-download-v1-144-2-free_GM479516143.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-no-verification-2021-ios_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/tiktok-follower-bot-free_GM835599320.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-link-today-new-2021_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-link-2021_GM406889139.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • https://vissalutis.pl/wp-content/uploads/fsqm-files/free-robux-generator-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00005803.bin
eb521adc75edd5e8d6c2583aeea2e989430080b22c0158dd64114b45a36299be
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5803 25452 bytes
font_01_sfnt_off00009395.bin
5c907f8fc0171ac382cbe47737dfe307495a07ea2f2097b2a41ed37680731fb3
pdf-font-stream PDF embedded font (sfnt) at offset 0x9395 19624 bytes