Malicious PDF — malware analysis report

Static analysis result for SHA-256 17836303e7a6f30a…

MALICIOUS

PDF

40.7 KB Created: 2021-05-19 04:13:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9eb3ee49964efd2913673864c6902b7f SHA-1: 2b9cf060f9fcb01d0d7afb9a87e99f504e53dcb9 SHA-256: 17836303e7a6f30a3fec9d96d89e8c4c13b5d7bd6dcdee97288ec34217f4bbbb
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirector infrastructure, specifically targeting themes of game hacks and free currency generators. The primary lure appears to be 'Coin Spin Game Hack', directing users to 'https://netcdn.xyz/app/406889139/coin-spin-game-hack'. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious redirector chain designed to deliver a secondary payload or phish for credentials.

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/406889139/coin-spin-game-hack In PDF document text
    • http://aviaprofsoyuz.info/images/roblox-free-rubox_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/play-coin-master-online-free_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/how-to-get-free-robux-on-android_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-spins-coin-master-android_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-robux-working_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/unlimited-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/spin-and-coin_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/download-coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/coin-master-free-spins-apk-2021_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/latest-free-spin-coin-master-daily_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/how-to-coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/june-29-coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/robux-hack-free-robux_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
stream_003_off000047be.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47BE 24248 bytes
SHA-256: adb7dc9f148340c90555297b490bd61c0513f5aa531d7a7730c62bfd74255f0f
font_01_sfnt_off00007f82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F82 17392 bytes
SHA-256: 26961c9f14d61c789be320ef33f793128d7856b3f2b2e22dee8a483f9b6c2997

Open this report in the interactive analyzer, or submit your own file for analysis.