Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccc6ac6e942fbf1d…

MALICIOUS

PDF

32.7 KB Created: 2021-07-20 10:19:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7301610f9619effdff108856942f3eb6 SHA-1: b410435ab874be05c3fa5d507763e916e3c8bf49 SHA-256: ccc6ac6e942fbf1da123a828e941aea66bc212c235c97fbd1b49ae5bea18d56a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to a known malicious redirector infrastructure, specifically targeting users with lures related to game hacks and free currency. The heuristic firings confirm the presence of malicious redirector links and a game hack lure. While no scripts were directly extracted, the document's structure and embedded URLs suggest it is designed to lead the user to a malicious website, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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-today-daily-links-game-hack In PDF document text
    • http://genialica.de/images/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://genialica.de/images/free-tiktok-hearts_GM835599320.pdfIn PDF document text
    • http://genialica.de/images/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://genialica.de/images/hacker-minecraft-song_GM479516143.pdfIn PDF document text
    • http://genialica.de/images/minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://genialica.de/images/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://genialica.de/images/free-tiktok-likes-2021_GM835599320.pdfIn PDF document text
    • http://genialica.de/images/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://genialica.de/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://genialica.de/images/coin-master-spin-free_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
stream_002_off000029ca.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x29CA 22736 bytes
SHA-256: 688e89700b8b258f5783fbcfb27371f3926470979aa4ccb6a42cf421f866496d
font_01_sfnt_off00005c8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C8E 18652 bytes
SHA-256: 52d597ff4b9023df6b3510b92f87dc1d2329aed0448bc9fa59130058567cb992

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