Malicious PDF — malware analysis report

Static analysis result for SHA-256 6cdc19690edf3274…

MALICIOUS

PDF

34.1 KB Created: 2021-06-26 02:17:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 47d71960963a32602b7b3d82b7dda9b5 SHA-1: 71263031cabf185c1e73aebba7bc4010812b0507 SHA-256: 6cdc19690edf327498f6b16e0a58282e88dc11f372020bea15fe02c2d9a58dc0
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a prominent link to 'hack-per-roblox-2021-game-hack' which is a common lure for users seeking cheats or exploits. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple URLs related to game hacks and free currency further supports a malicious intent, likely to redirect users to a site that downloads malware or attempts credential harvesting. No scripts were extracted from this sample.

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/hack-per-roblox-2021-game-hack PDF link annotation
    • https://digilib.stieama.ac.id/repository/cheat-engine-roblox-lumber-tycoon-2-table_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-survivor-hack_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-hack-script-pastebin-2021_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/pubg-uc-telegram_GM1330123889.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-hack-without-downloading-apps_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-get-free-pet-food-in-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-bandana-free_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-get-free-faces-on-roblox-2021-mac_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/minecraft-free-education_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/get-roblox-builders-club-free_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-minecraft-shaders_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/buy-robux-free_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/hack-coin-master-online-without-human-verification_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-critical-strike-cheats_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-robux-glitch-july-2021_GM431946152.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
font_00_sfnt_off00002f2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F2A 22048 bytes
SHA-256: cb697754f5c151cc62c1360f68f60e9f1eb33f8486a108ab3ec9a905001a9b1f
font_01_sfnt_off00005fa5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA5 19212 bytes
SHA-256: ef03c952fd1b14475dd75a81b8648fe368e73f693404a2da7e0bf3d693110df8

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