Malicious PDF — malware analysis report

Static analysis result for SHA-256 e625cdb6c0b2c4c5…

MALICIOUS

PDF

43.5 KB Created: 2021-05-13 10:12:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 22e9b202ec75e2340f925607b2260431 SHA-1: c94cb100dd9c6dc8b17b49e6f31016048e47973e SHA-256: e625cdb6c0b2c4c513fe6bc30a30dbb602c9136009f63837fbf8449557c8addc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, specifically advertising 'free generator / game hack' lures for popular games like Coin Master and Robux. These links are designed to trick users into visiting potentially harmful websites. The document body and embedded URLs strongly suggest a phishing or scam campaign aimed at users seeking in-game advantages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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-spins-link-2021-no-verification-game-hack In PDF document text
    • http://eooe.gr/images/cpbildco-robux_GM431946152.pdfIn PDF document text
    • http://eooe.gr/images/how-to-hack-coin-master-game-ios_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/hack-coin-master-pc_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/coin-master-game-hunter_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/hacks-master-coin_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/how-to-get-free-minecoins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://eooe.gr/images/hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/2021-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/www-free-robux_GM431946152.pdfIn PDF document text
    • http://eooe.gr/images/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://eooe.gr/images/robux-place-rewards_GM431946152.pdfIn PDF document text
    • http://eooe.gr/images/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/free-coin-coin-master_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://eooe.gr/images/free-roblox-animations_GM431946152.pdfIn PDF document text
    • http://eooe.gr/images/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • http://eooe.gr/images/hack-xp-net-coin-master_GM406889139.pdfIn PDF document text
    • http://eooe.gr/images/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000455b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x455B 24368 bytes
SHA-256: afadadb497401181d4278f0bad7fd1f46e7039cdc15541bd239806a87deb3852
font_01_sfnt_off00007cb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CB8 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off0000866a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x866A 18592 bytes
SHA-256: fb80ad8e35183f753bf91a402d0f68d299ceb73e5cb9a5d171aabc3029406e01

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