Malicious PDF — malware analysis report

Static analysis result for SHA-256 27650f34fb6874ca…

MALICIOUS

PDF

33.0 KB Created: 2021-06-30 13:07:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9bd8991a7a95cc390cec21d823eb6ed3 SHA-1: d0dfbd998bdcbc89ec21fdd379e8c8f43a3672d3 SHA-256: 27650f34fb6874ca100491b40a1ee7695207abdeef5c1c8bb12fb8105d581a15
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to 'free Robux' and 'game hacks' to entice users to click on embedded links. The primary link redirects to malicious infrastructure, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a malicious workflow designed to lead users to potentially harmful content or further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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.co/app/431946152/how-do-u-get-robux-for-free-2021-game-hack In PDF document text
    • http://www.sscs-uae.com/userfiles/files/roblox-welcome-to-bloxburg-money-cheat-july-2021_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/roblox-games-which-give-u-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/roblox-skins-girl-free-download_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/hack-roblox-pour-rcupe-nos-compte_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/free-2021-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/flame-gg-earn-robux-free_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/how-to-hack-on-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/how-to-make-a-costume-for-free-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/roblox-hack-github-robux_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/promo-codes-for-free-stuff-2021-roblox_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/how-to-get-free-robux-without-information_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/free-million-robux_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/coll-roblox-game-to-hack_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/free-roblox-cards-numbers_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/get-free-robux-add-codes_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/honest-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/easy-hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/roblox-free-model-scripts_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/bird-simulator-hack-roblox_GM431946152.pdfIn PDF document text
    • http://www.sscs-uae.com/userfiles/files/cheat-codes-little-mix-roblox-id_GM431946152.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
font_00_sfnt_off00002ae5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE5 21852 bytes
SHA-256: 09ab8ff7fdae7327cb9295753e0446972972f9991663448979615b3e82e26671
font_01_sfnt_off00005a9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A9A 19556 bytes
SHA-256: 153bdc02282e893ae1c6d03d8b7d5f42be36a2c230901cdf6ac05062b0ff2ab0

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