Malicious PDF — malware analysis report

Static analysis result for SHA-256 07e1865dda335e08…

MALICIOUS

PDF

40.7 KB Created: 2021-05-17 09:04:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 079d75a224b0d2ef23a1b94227ec3698 SHA-1: e7a5d21a6b2d7be42d5e9a9e829445b03c0d8191 SHA-256: 07e1865dda335e081d4f600bd23ddb2fb24ac0cfcff305a755cf773c0ab7c60f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links to known malicious redirectors, masquerading as "free game hacks" or "free robux". The primary lure URL is https://netcdn.xyz/app/479516143/minecraft-bedrock-free-game-hack. The document body, though heavily obfuscated, contains references to these lures and the authoring application. The presence of embedded links and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/479516143/minecraft-bedrock-free-game-hack In PDF document text
    • http://hardbit.cn/images/how-to-get-minecraft-for-free-on-ps4-2021_GM479516143.pdfIn PDF document text
    • http://hardbit.cn/images/coin-master-hack-online-link_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/best-hack-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://hardbit.cn/images/chisel-and-bits-mod-pe_GM479516143.pdfIn PDF document text
    • http://hardbit.cn/images/minecraft-hacks-xbox_GM479516143.pdfIn PDF document text
    • http://hardbit.cn/images/promo-code-free-robux_GM431946152.pdfIn PDF document text
    • http://hardbit.cn/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/free-spin-coin_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/coin-master-hack-2021-apk_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/free-arsenal-hacks_GM431946152.pdfIn PDF document text
    • http://hardbit.cn/images/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • http://hardbit.cn/images/coin-master-free-spins-hack-download_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/free-robux-discord-servers_GM431946152.pdfIn PDF document text
    • http://hardbit.cn/images/coin-master-spin-hack-trick_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://hardbit.cn/images/roblox-hack-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_off00004691.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4691 23720 bytes
SHA-256: d945eb738feb5eeb02d25bb03ee00c7b7cfa70c8fed3294abc1d041ea7cadcd6
font_01_sfnt_off00007c75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C75 18268 bytes
SHA-256: 421dc37018d5e6f1467ffbccbacebf5894202cb157ac672e86022266516fa266

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