Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e46203015586e1f…

MALICIOUS

PDF

41.4 KB Created: 2021-05-19 15:50:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 97c0af3fb8f1cc331ca3c0a3259a7aa2 SHA-1: d13b9c47c9a990ece2010da9167a4c93983056c0 SHA-256: 0e46203015586e1ff63c0a94f5d0367e2b5ac4cae709d12d02360ae8820919c0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to malicious infrastructure, specifically promoting 'Coin Master' game hacks. The document body and heuristics indicate a lure designed to trick users into visiting these sites, which likely serve as downloaders or further redirection points for malware. The presence of multiple malicious links and the ML classifier's high confidence score support this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-hacks-for-free-spins-game-hack In PDF document text
    • http://santeh-40.ru/images/today-free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/hack-mod-coin-master_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/wurst-hacks_GM479516143.pdfIn PDF document text
    • http://santeh-40.ru/images/cmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/roblox-free-models_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/how-to-make-roblox-clothes-for-free_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/fbchampion-com_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/how-do-you-get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/claim-robux_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-hack-that-actually-works_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • http://santeh-40.ru/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/earn-free-robux_GM431946152.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • http://santeh-40.ru/images/coin-master-game_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_003_off000047b4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47B4 24884 bytes
SHA-256: ee095fe02b230eeeb2fbf07842d75653d1bb048cfb1ca33cf946a3ea628c540e
font_01_sfnt_off00008031.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8031 18056 bytes
SHA-256: 12d79a7ddbb75c7a0854102822057d5441bee2ca4a20c79f8211a3d0b9a1f375

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