Malicious PDF — malware analysis report

Static analysis result for SHA-256 499151a8a7e2dad8…

MALICIOUS

PDF

42.8 KB Created: 2021-05-14 13:09:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0ba254d7cdaa743771636ce4af869314 SHA-1: 098a2a2832307f2bf37a6ef158e98cc117abfb8e SHA-256: 499151a8a7e2dad85e20f9c67800981801b74c051d6c94f5418b723837645e04
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 document body and embedded URLs strongly suggest a lure to trick users into visiting these sites, likely for further malware delivery or credential harvesting. No scripts were extracted, but the presence of malicious redirector links and the 'game hack' lure are strong indicators of malicious intent.

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/431946152/roblox-hack-tool-game-hack In PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/coin-master-free-gift-link-2021_GM406889139.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/roblox-rewards-site_GM431946152.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/promo-code-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/roblox-free-skin_GM431946152.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/minecraft-windows-10-edition-free-download_GM479516143.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/free-robux-site_GM431946152.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/robux-sign_GM431946152.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/minecraft-logo-maker-free_GM479516143.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/coin-master-free-spins-youthnow_GM406889139.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/free-coins-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/free-robux-card-codes_GM431946152.pdfIn PDF document text
    • https://elearning.min1tanahdatar.sch.id/__statics/gudangsoal/files/minecraft-reach-hack_GM479516143.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_off00004c76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C76 25396 bytes
SHA-256: ffe6db9cab8fa8c9bcc1b4fa0a5211cedbacfc3ddff7a071d07dd7d4780ef1bd
font_01_sfnt_off0000850f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x850F 18184 bytes
SHA-256: 31a2c7908075477008558d8ad35fc874cd0c1469ac409190117581929eec3da7

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