Malicious PDF — malware analysis report

Static analysis result for SHA-256 768d04abb59ca4ec…

MALICIOUS

PDF

46.5 KB Created: 2021-05-12 03:04:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 1d4bf3dc28185e73e4cab3861eccaef3 SHA-1: e89929a6a7cdd8e791f58ec43f019dae858ca774 SHA-256: 768d04abb59ca4ecde785abd0f1d9336857bdcd4a0c853a54c1288aeca008f77
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free Robux codes and game hacks, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious. The embedded URLs suggest a phishing or scam attempt to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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/431946152/free-robux-codes-generator-no-verification-game-hack PDF link annotation
    • http://perpus.stihpada.ac.id/repository/is-roblox-studio-free_GM431946152.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/free-robux-no-download_GM431946152.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/free-coins-coin-master-today_GM406889139.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/free-robux-today_GM431946152.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/best-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/coin-master-tiradas-gratis-2021_GM406889139.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/free-coin-master-account_GM406889139.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/how-to-get-free-chest-in-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/sites-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/coin-master-free-spins-today-39_GM406889139.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/coin-master-2021-free-spins_GM406889139.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/minecraft-hacker-mask_GM479516143.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/coin-master-sound-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://perpus.stihpada.ac.id/repository/daily-coin-master-link_GM406889139.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
stream_003_off00004c94.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C94 28764 bytes
SHA-256: 4c7d49e545938e1e6e2593f177e951119c53df0f352655ce7372c6091395597e
font_01_sfnt_off00009217.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9217 18776 bytes
SHA-256: a4a7f46a8ec4e4fe0089faa119d4be48f59112184e2c655defb35f5102acccee

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