Malicious PDF — malware analysis report

Static analysis result for SHA-256 3daa4be22c48eb92…

MALICIOUS

PDF

49.4 KB Created: 2021-06-03 04:52:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: c59e287a7ef759f27c161681d039be2c SHA-1: f44ac79ae41f75ada6a9885ee87109a2907e1706 SHA-256: 3daa4be22c48eb9277afd11a43da159e4e6b24492e730c8a535c90d1797ed638
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a link disguised as a game hack generator, specifically for Minecraft. This link, 'https://netcdn.online/app/479516143/how-to-get-minecraft-pocket-edition-for-free-game-hack', is flagged as a high-risk lure. The document's primary purpose appears to be directing users to this malicious URL, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.online/app/479516143/how-to-get-minecraft-pocket-edition-for-free-game-hack PDF link annotation
    • http://www.buapit.ac.th/UserFiles/File/earn-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/roblox-rewards_GM431946152.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/coin-master-apk-hack-3527_GM406889139.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/how-to-get-minecraft-for-free-on-iphone-2021_GM479516143.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/blogspot-coin-master_GM406889139.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/free-robux-glitch_GM431946152.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/robux-free-online_GM431946152.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/minecraft-rtx-download-free_GM479516143.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/facebook-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/free-roebucks-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/coin-master-gold-cards-free-2021_GM406889139.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/coin-master-34-5-hack_GM406889139.pdfIn PDF document text
    • http://www.buapit.ac.th/UserFiles/File/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005494.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5494 28468 bytes
SHA-256: e2ebeb4f96ebda917a2af194eab7c07ee80a3dbfa48f4e3d48e1ec628cbbc1c1
font_01_sfnt_off000094bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94BD 2820 bytes
SHA-256: 972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714
font_02_sfnt_off00009e5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E5D 18372 bytes
SHA-256: 48146c158bc763bc875505d5b271c3d9491fcf22091c9e02863bb81ec9b852cb

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