Malicious PDF — malware analysis report

Static analysis result for SHA-256 30cce8686c4c3f99…

MALICIOUS

PDF

46.6 KB Created: 2021-05-11 18:34:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 372b2f33c8255d25af099899cdd650b1 SHA-1: c8a84896eaf7ccd12ea19394dc8abf5785b6e7aa SHA-256: 30cce8686c4c3f99acc1e71a50735fdc9ebbf40737319915e232665baba4d26f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and generators. The primary malicious URL identified is https://netcdn.xyz/app/431946152/roblox-arsenal-hack-game-hack. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or redirection attack designed to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/431946152/roblox-arsenal-hack-game-hack In PDF document text
    • http://library.umuslim.ac.id//repository/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/how-to-get-more-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/roblox-hacked-version_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/earn-robux-websites_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/como-hackear-coin-master-2021-espaol_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/strucid-aimbot_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/free-links-coin-master_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/minecraft-pocket-apk_GM479516143.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/free-minecraft-education-edition_GM479516143.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/can-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/free-robux-legit_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/free-coin-master-spins-links-2021_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/pro-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/coin-master-for-pc-free-download_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id//repository/coin-master-hack-online-generator-without-human-verification_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
    • http://library.umuslim.ac.id/repository/coin-master-daily-free-spins-today_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049d4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49D4 26452 bytes
SHA-256: 33236b8e0ad30513ebbc18939e2ffc09a9dbab9022b2cbf5548bb0fd2e5668b8
font_01_sfnt_off000086b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86B8 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off000093c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93C9 18184 bytes
SHA-256: 950cb6c94e3217e8d5edf097fa87367098c5f84c9f1c4255a513a3effc23c56b

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