Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ef96f02115500ac…

MALICIOUS

PDF

35.8 KB Created: 2021-06-19 12:20:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e31f46f654485fa337c5b398bfc2e5ab SHA-1: 177113b07330873030b2723a8870e12f2125ae51 SHA-256: 9ef96f02115500ac30188d476513b9e33ca95f2b034d20871c68c10797701cfe
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free online games and hacks to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or malware downloads. The document body contains numerous embedded URLs, many of which are also suspicious and point to similar game-hack related content, suggesting a campaign focused on tricking users into visiting potentially harmful sites.

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/free-online-games-roblox-no-download-game-hack In PDF document text
    • http://muslib.unmus.ac.id/repository/coin-master-70-spin-link-today_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/master-8-ball-pool-free-coins_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/how-to-hack-coin-master-in-pc_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/pokemon-go-free-download-version_GM1094591345.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/coin-master-free-coins-twitter_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/roblox-jailbreak-hack-download_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/minecraft-modded-client_GM479516143.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/free-roblox-boy-hair_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/hack-robux-new-2021-pastebin_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/minecraft-hacker-mask_GM479516143.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/free-robux-only-username-no-human-verification_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/coin-master-hack-iosgods_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/tiktok-free-view-30_GM835599320.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/how-to-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/facebook-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/how-to-get-minecraft-for-free-on-android_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
stream_002_off00003187.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3187 23316 bytes
SHA-256: 202b43052fa8de2fdf659f0342d4e255117538a517635e61c17cf22a1b5f44b8
font_01_sfnt_off0000657e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x657E 19536 bytes
SHA-256: 99fa0efb754b86a387458364326a8a4efccbadc9ab4e86bc8cfa1f85f76902a0

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