Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe8f0602b7dd2fcc…

MALICIOUS

PDF

39.9 KB Created: 2021-05-11 23:03:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 4c5929a95d1b5dc841ceef0891324520 SHA-1: d730b890e739ca460381b6aa3284b1fb8b3cb63a SHA-256: fe8f0602b7dd2fcc796a047d4b2abe76d224f172c3edbb1aa60198497e7de6dc
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that are designed to lure users into clicking on links related to game hacks and free currency. The primary URL, 'https://netcdn.xyz/app/406889139/coin-master-free-spin-link-today-2021-game-hack', is flagged as a high-severity heuristic for game hack redirects. While no scripts were explicitly extracted, the nature of PDF exploits often involves JavaScript for redirection or exploitation, hence the inclusion of T1059.007. The overall pattern suggests a phishing or scam attempt leveraging popular game themes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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.
  • 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-free-spin-link-today-2021-game-hack PDF link annotation
    • http://perpus.janabadra.ac.id/otomasi/repository/roblox-svg-free_GM431946152.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/minecraft-client-download_GM479516143.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/bloxawards-com-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/minecraft-iphone-free_GM479516143.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/rbx-place-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/coin-master-free-spin-and-coin-link-app_GM406889139.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/coin-master-free-spins-link-hack_GM406889139.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/get-robux-com_GM431946152.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/free-robux-legit_GM431946152.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/how-to-hack-mcpe-master-coins_GM406889139.pdfIn PDF document text
    • http://perpus.janabadra.ac.id/otomasi/repository/free-roblox-usernames-and-passwords_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_off00004adc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4ADC 23980 bytes
SHA-256: 8ab97e84cc4c38c96ac5b146f967bdfa947804445f2ecae849d3dc346b54bd05
font_01_sfnt_off0000818d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x818D 18812 bytes
SHA-256: 209d45ed87732d827821998a5283e56b95c39a3af4032faff2e6da7d3e76f78f

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