Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeae6b18c915d8fb…

MALICIOUS

PDF

34.7 KB Created: 2021-06-18 17:28:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 51ea3b242563fe68764b0d85c5810a10 SHA-1: 8bca603c7486fe552aa458a3d06aee4663d7de32 SHA-256: aeae6b18c915d8fb8359f1c56f5a0b676a7436ce4677704e3d938858d8b5b4ee
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that are disguised as game cheats and hacks for popular games like Roblox and Coin Master. The primary URL, http://netcdn.co/app/431946152/roblox-cheat-codes-for-vehicle-simulator-game-hack, is flagged as a redirector lure. This suggests the document's purpose is to trick users into visiting malicious websites, likely for malware distribution or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-cheat-codes-for-vehicle-simulator-game-hack PDF link annotation
    • http://digilib.stimlog.ac.id/repository/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/robux-miner_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/piano-player-hack-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/como-hackear-grand-crossing-2021-roblox_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/free-coin-master-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/how-to-win-attack-madness-in-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/how-to-instantly-get-free-robux-in-roblox-2021-oprewards_GM431946152.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/free-spins-coin-master-october-17-2021_GM406889139.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/roblox-speed-hack_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/robux-cheat-codes_GM431946152.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • https://digilib.stimlog.ac.id/repository/coin-master-hack-link-2021_GM406889139.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/link-for-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.stimlog.ac.id/repository/free-roblox-cocdes_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FD9 22032 bytes
SHA-256: 76e482a8af44056ee9dcae4711df5b38ce2c0594bfe443800fdc20181e4c5408
font_01_sfnt_off000060b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60B3 19748 bytes
SHA-256: dd45f42954997e7a2abe5bba70b82f4eb163d5cce34577bb2cc67a5bbfd0df1b

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