Malicious PDF — malware analysis report

Static analysis result for SHA-256 24982451d834f1ab…

MALICIOUS

PDF

34.8 KB Created: 2021-07-05 22:03:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: edb9de1afa42493f39d549a49373ba5b SHA-1: c841545dfca849fe619a8ae4c55556dc1f3bbf62 SHA-256: 24982451d834f1ab6d10880a24a1273c7c70c212b79ced20bd4d4b8a39bb042f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one identified as a known malicious redirector infrastructure pointing to a 'game hack' lure. The document body and extracted URLs suggest a social engineering tactic to trick users into visiting potentially harmful websites. While no scripts were explicitly extracted, the PDF structure and the nature of the links indicate a malicious intent to redirect users to malicious content.

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.tw/app/406889139/coin-master-free-spins-game-hack In PDF document text
    • https://www.sonestad.se/library/repository/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-tricks-and-hacks_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/hack-para-coin-master-singapore_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/pokemon-go-free-dragonite_GM1094591345.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-free-daily-rewards_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/minecraft-world-free-download_GM479516143.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/roblox-no-login-free-play_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-hacks-that-work_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-daily-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/claimrbx-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/ww-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/roblox-synapse-x-free-key_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-free-spin-2912-2021_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-hack-spin_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/coin-master-free-spins-deutsch-download-2021-link_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/earn-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/roblox-com-robux_GM431946152.pdfIn PDF document text
    • https://www.sonestad.se/library/repository/free-robux-no-human-verification_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_002_off000031f4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31F4 23112 bytes
SHA-256: 198d16916d22609f305b83e309166ac5a155613627ff308c6341286490ecf5d1
font_01_sfnt_off000065cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65CF 18176 bytes
SHA-256: c90cd52c690b3b1dd04b69356ad4f8db221968fb130a3d2ff71dcd50323a1a90

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