Malicious PDF — malware analysis report

Static analysis result for SHA-256 fea844cca908067d…

MALICIOUS

PDF

50.2 KB Created: 2021-05-15 03:02:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6bb74525d9060dc97f6bab7db9551858 SHA-1: 7878a57a11c2011cacb3aee9395df3c2df81e142 SHA-256: fea844cca908067d3191ab233a165a981c7b8a8121a173eb2c70e58b0a8f8887
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to malicious redirectors, disguised as "free generator" or "game hack" lures. These links, such as https://netcdn.xyz/app/431946152/can-you-actually-get-free-robux-game-hack, are designed to lead users to potentially harmful content. The presence of a visual download button lure further supports the malicious intent of this document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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/can-you-actually-get-free-robux-game-hack In PDF document text
    • http://lookpaineis.com.br/images/how-to-hack-someones-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://lookpaineis.com.br/images/free-minecraft-server_GM479516143.pdfIn PDF document text
    • http://lookpaineis.com.br/images/coin-master-spins_GM406889139.pdfIn PDF document text
    • http://lookpaineis.com.br/images/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://lookpaineis.com.br/images/free-spins-for-coin-masters_GM406889139.pdfIn PDF document text
    • http://lookpaineis.com.br/images/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://lookpaineis.com.br/images/how-to-get-unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • http://lookpaineis.com.br/images/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://lookpaineis.com.br/images/minecraft-for-macbook-free_GM479516143.pdfIn PDF document text
    • http://lookpaineis.com.br/images/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://lookpaineis.com.br/images/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_GM406889139.pdfIn PDF document text
    • http://lookpaineis.com.br/images/free-robux-rewards_GM431946152.pdfIn PDF document text
    • http://lookpaineis.com.br/images/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://lookpaineis.com.br/images/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
    • http://lookpaineis.com.br/images/how-to-generate-free-coin-master-spin_GM406889139.pdfIn PDF document text
    • http://lookpaineis.com.br/images/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://lookpaineis.com.br/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://lookpaineis.com.br/images/how-to-get-800-robux-for-free_GM431946152.pdfIn PDF document text
    • http://lookpaineis.com.br/images/coin-master-update-2021_GM406889139.pdfIn PDF document text
    • http://lookpaineis.com.br/images/coin-master-15-free-spin-link-of-last-5-days_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_off00004c13.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C13 39368 bytes
SHA-256: 7943d45fb09f15bf9031df3f9b0cacc2cdf26c89105c358fa8ec372a9a6f7170
font_01_sfnt_off0000a12f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA12F 18764 bytes
SHA-256: 47da03a4981b0a54a8018003304e59ec7e3f87382350c48cbaac3b3d81608ccf

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