Malicious PDF — malware analysis report

Static analysis result for SHA-256 f15d97d65a7f0abd…

MALICIOUS

PDF

34.0 KB Created: 2021-06-29 18:45:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 95ade1333642aef6c57b927c4c1bb4f1 SHA-1: 60b34a4384ae170c58f5652a36575dbd236cdb2e SHA-256: f15d97d65a7f0abdc923edea7bd0907434dbf61b405b6f06f8bd1d5ceeacffcb
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of game cheats and hacks to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which in turn serves further malicious PDF files. The document body and embedded URLs strongly indicate a phishing attempt disguised as a generator or hack for popular games like Roblox and Coin Master.

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/cheats-for-geting-robux-game-hack In PDF document text
    • http://slim.sisminkada.net/repository/coin-master-hack_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-live_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/tix-free-roblox_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/minecraft-pc-free_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-minecraft-for-free-on-tablet_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-robux-yahoo-answers_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/roblox-free-script-executor-2021_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-vip-for-roblox-free-video-star-egg_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-roblox-codes-for-clothes_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/free-roblox-followers_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/hacker-minecraft-song_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/minecraft-free-minecraft_GM479516143.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/do-coin-master-hacks-work_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/easy-robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
    • http://slim.sisminkada.net/repository/how-to-get-free-robux-inspect_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_off00002d1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1B 22600 bytes
SHA-256: ef825a12207599f88c27c12889423287a0365c25dd9bf16ee4f5d6aebcec1e20
font_01_sfnt_off00005fb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB9 19104 bytes
SHA-256: f42710c9416b18d9b1499234b872b632473ab3f1cc74b2610ad2ef01a7e4b94a

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