Malicious PDF — malware analysis report

Static analysis result for SHA-256 f00db0a7c699f478…

MALICIOUS

PDF

34.4 KB Created: 2021-06-30 07:53:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 629e15281777979973e9ea8c68e5337f SHA-1: 6891f4d20697948801316a53540ee107de45d440 SHA-256: f00db0a7c699f47827bc9395ec7b1268073b17a0c2fa72ce68ea737767384ddc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple links to a malicious redirector, masquerading as a generator for game hacks and free items. The document body and heuristic firings confirm the lure of 'Roblox Hack Mod Apk' and 'free generator / game hack'. The primary malicious URL identified is http://netcdn.co/app/431946152/roblox-hack-mod-apk-game-hack, which is flagged as a known malicious redirector. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-hack-mod-apk-game-hack In PDF document text
    • https://digilib.stieama.ac.id/repository/free-promocode-that-gives-you-750-000-robux_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/is-roblox-free-on-ps4_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-ban-a-hacker-on-roblox_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/robux-hack_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-t-shirt-free_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/roblox-account-taker_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/minecraft-story-mode-free-download_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/minecraft-free-download-mac-full-version_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/cheat-codes-pegboard-nerds-roblox-music_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/hack-bee-swarm-simulator-roblox_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-332-apk-free-download_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/tuto-free-roblox_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-35-16-hack-apk_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/hack-the-game-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-free-robux_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/xbox-one-roblox-cheats_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_off00003048.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3048 21980 bytes
SHA-256: aa3951429d7f00c9a62df544a2ef2a13809c1579323d8dd682930cafea70608b
font_01_sfnt_off000060ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60ED 19200 bytes
SHA-256: 611a1d178886eadfe3f56fa1e33ab3aac129b6967c34066b36d6a75dc73df60a