Malicious PDF — malware analysis report

Static analysis result for SHA-256 011e4c7b303150aa…

MALICIOUS

PDF

43.2 KB Created: 2021-05-14 15:10:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a64800b9d4b21ad50fbff56dfde88250 SHA-1: f2e8611e02b9873ea13ce4a1ab1c473cb78290a1 SHA-256: 011e4c7b303150aac83770935f16d5b49bfb4f6c5f99ee02a06ed3fbb11a0f64
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to known malicious infrastructure, specifically promoting "free generator / game hack" lures. The presence of multiple redirector links and the ML classifier's high confidence score indicate a malicious intent to lead the user to potentially harmful content or further exploits. No scripts were extracted, but the document's structure and embedded URLs strongly suggest a phishing or social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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/431946152/free-robux-stream-game-hack In PDF document text
    • http://magnipsor.su/images/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/clean-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-free-spins-and-coins-hack_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-free-spins-deutsch-download-2021-link_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/freegames911com-coinmastertipsandcheats2021freecoinsandspins_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/optifine-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://magnipsor.su/images/free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-spin-hack-apk_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/coin-master-redeem-code-free_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/how-to-earn-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/hack-coin-master-using-cheat-engine_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/free-spins-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/free-headless-head-roblox_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://magnipsor.su/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://magnipsor.su/images/how-to-get-free-pet-food-in-coin-master_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_off00004890.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4890 26144 bytes
SHA-256: b2073d32c7ddaea31ba3fe7cfeea53f2238443b0beb0c9d76ff09f5bd7bf5e28
font_01_sfnt_off000085c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85C2 18608 bytes
SHA-256: d58c1050c241e8596ad00b07d95ef71c6ad75f8aac12cbee34afc6366c1e008e

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