Malicious PDF — malware analysis report

Static analysis result for SHA-256 018706e0294fb25c…

MALICIOUS

PDF

43.5 KB Created: 2021-05-18 05:06:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 92498d2566f1fd85f509f9a7da0e2958 SHA-1: 2a6ebc6260aeaa55ec92d0521abda4028eaa3df3 SHA-256: 018706e0294fb25cdc7d17575ea302cedd375a139990e9320b33e09bf5e6d161
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a prominent link disguised as a game hack generator for 'Coin Master'. This lure is a common tactic to trick users into visiting malicious sites or downloading further malware. The ML classifier strongly indicated maliciousness, and the embedded URL points to a suspicious domain associated with game cheats.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/406889139/coin-master-hack-cheat-generator-coins-and-spins-unlimited-game-hack PDF link annotation
    • http://optiquedelavaunage.com/images/coin-master-spin-hack-trick_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/best-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/how-to-get-more-robux-for-free_GM431946152.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/coin-master-free-cards-hack_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/coin-master-time-speed-hack_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/coin-master-free-spins-2021-today_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/roblox-inappropriate-games_GM431946152.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/how-to-get-minecraft-dungeons-for-free_GM479516143.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/113-hacked-client_GM479516143.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/coin-master-free-account_GM406889139.pdfIn PDF document text
    • http://optiquedelavaunage.com/images/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004c3c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C3C 25748 bytes
SHA-256: 85e14641139fa1a654788a45dc400aafba08a107a3117cdaad286d598bd90065
font_01_sfnt_off00008675.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8675 18752 bytes
SHA-256: d038f63deb69970dd3aa7179a39df09dda1c564ff6c14abbabcc0eee78e38f8c

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