Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdac408f18e12d0a…

MALICIOUS

PDF

33.4 KB Created: 2021-06-25 21:07:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4d6116b672556209dfb3a0b73cfb8e9a SHA-1: 60a0e28418d396130a480516110f542881c99ef9 SHA-256: fdac408f18e12d0ac1904a640e208981962cb357b5989ebc83e7e3964cdd04a8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains multiple links to known malicious redirectors and game hack lures, indicating a social engineering attempt to trick users into downloading potentially unwanted or malicious software. The document body explicitly mentions 'Lego Hack Download Roblox' and 'CLICK HERE TO ACCESS ROBUX GENERATOR', reinforcing the deceptive nature of the content. The presence of a visual download button lure further supports this attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/lego-hack-download-roblox-game-hack In PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-hack-mobile_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-change-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-a-free-package-on-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/pubg-uc-in-cheap-price_GM1330123889.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-exploit-synapse-x-free_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-live_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-attacks-on-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-mad-city-hacks-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-free-spins-generator-no-verification_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/broken-bones-iv-roblox-hack_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/can-lucky-patcher-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-minecraft-dungeons-for-free_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-daily_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-catalog-items-for-free-roblox-no-hack_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/coin-master-free-coins-and-spins-daily_GM406889139.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_off00002a5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5E 22592 bytes
SHA-256: 3132be1ac04c4998fdd13ebbfe3e728eaa1b98b79e71a9c79e03cd0e9407c076
font_01_sfnt_off00005d3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D3D 19160 bytes
SHA-256: 575daa05de121cb411c770793f92b756a9caabf22b569614fe911383ba76415f

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