Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfc14aa5966d32c5…

MALICIOUS

PDF

35.5 KB Created: 2021-06-20 00:07:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: bb724436f823d0c27f3b061fee053b0b SHA-1: 2c10af0fcbaa5b9ffd427ce81b7f4cfbf20aedab SHA-256: dfc14aa5966d32c5be1c862e7d2137cf1119b18ea2d62794d03235bdbcbd92af
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to websites offering game hacks and free in-game items, such as Robux. These links are flagged as malicious redirectors, indicating a likely attempt to lead the user to a phishing or malware distribution site. The document body and heuristics strongly suggest a lure-based attack pattern designed to exploit user interest in free game-related content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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-to-hack-into-vip-rooms-on-roblox-game-hack In PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/free-robux-download_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/minecraft-marketplace-free_GM479516143.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/earn-robux-sites_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/free-card-collection-in-coin-master_GM406889139.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/tiktok-likes-free_GM835599320.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/roblox-2021-hack_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/coin-master-hack-mod-apk-download_GM406889139.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/minecraft-net-free_GM479516143.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/coin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/gamekit-roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/arsenal-hacks-roblox_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/how-to-get-roblox-premium-for-free-2021_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/free-roblox-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://balibetonmandiri.com/new/public/ckfinder/userfiles/files/free-tiktok-likes-no-human-verification-or-downloading-apps_GM835599320.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_off0000321d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x321D 22460 bytes
SHA-256: d73c57a38f0ac73c8a403b19547b0e9234de2ea0b71d47e7ee46d12cac093034
font_01_sfnt_off00006415.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6415 19616 bytes
SHA-256: d274219e4cac5135b431a01ddfc0c9d45eedcbd3cd07c9e51bcde499d915b325