Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a46a35d8fe83d98…

MALICIOUS

PDF

44.0 KB Created: 2021-05-13 03:30:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: eeb1e9b3796b9aa70f70cc101d04494f SHA-1: 6bd99cd38141f16f9616858994f011ef6fd26472 SHA-256: 9a46a35d8fe83d98e1d79c83598d7cd85d6afa8ff356b9b35f660edd3da6d557
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of "free game hacks" to entice users to click on embedded links. The primary link directs to a known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or downloads. The document body and heuristics strongly indicate a phishing or scam attempt, leveraging popular game themes to trick users into visiting potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/406889139/coin-master-free-2021-spin-link-game-hack In PDF document text
    • https://reggieslockandkey.com/images/free-coin-master-spins-daily_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-apk-hack-2021-ios_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-roblox-usernames-and-passwords_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-hack-spins_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/roblox-old-avatar_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-free-spins-apk-2021_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/how-to-o-get-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/send-me-500-2021-spins_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/minecraft-free-download-mobile_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-500-free-spins_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-free-coins-app_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-villages_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/ways-to-get-robux_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-link_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/minecraft-free-version_GM479516143.pdfIn PDF document text
    • https://reggieslockandkey.com/images/get-free-robux_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_003_off00004d7b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D7B 26280 bytes
SHA-256: a7fd2ecca0887c841ad7aa5a1942e431a562cbe5b1aa7e21fcb139c10693674e
font_01_sfnt_off0000892e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x892E 18456 bytes
SHA-256: b7ae3d16bb028351929840db057611194e7c02105e6dbd3e36d0326cc4cd0414

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