Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ce23c2e5d14de7e…

MALICIOUS

PDF

33.4 KB Created: 2021-07-06 17:27:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 998beb82303cac5733761d36cdaff7f7 SHA-1: 1262b6b56dfeef46490cc679395f60e0b5f779ce SHA-256: 2ce23c2e5d14de7eda58f310a0b51f1dccc98a4059e34f75fc8da29bf7efb2c1
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous URLs pointing to sites offering game hacks and in-game currency, suggesting a lure for users interested in such topics. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs indicates an attempt to redirect the user to potentially harmful content. While no scripts were explicitly extracted, the document's structure and embedded URLs strongly suggest it's part of a phishing or malware distribution scheme.

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.tw/app/431946152/how-to-sue-roblox-game-hack In PDF document text
    • http://atrax.hr/files/how-to-use-roblox-hack-menu_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/roblox-offers-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://atrax.hr/files/how-to-hack-knifes-in-assassin-roblox_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/roblox-hacking-website_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/games-like-minecraft-but-free_GM479516143.pdfIn PDF document text
    • https://www.atrax.hr/files/roblox-groups-that-give-you-free-robux-every-day_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/how-to-hack-roblox-accounts-july-2021_GM431946152.pdfIn PDF document text
    • http://atrax.hr/files/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/easypoints-gg-roblox_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://atrax.hr/files/free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.atrax.hr/files/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdfIn PDF document text
    • http://atrax.hr/files/roblox-base-raiders-hack-infinite-basebux_GM431946152.pdfIn PDF document text
    • http://atrax.hr/files/roblox-generator-download-free_GM431946152.pdfIn PDF document text
    • http://atrax.hr/files/coin-master-hack-pc_GM406889139.pdfIn PDF document text
    • http://atrax.hr/files/how-to-get-stuff-that-cost-coins-free-mpe-master_GM406889139.pdfIn PDF document text
    • https://www.atrax.hr/files/robux-hack-2021-free_GM431946152.pdfIn PDF document text
    • https://www.atrax.hr/files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
    • https://www.atrax.hr/files/how-to-get-free-robux-on-roblox-no-hacks-fast_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_off00002da0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DA0 21940 bytes
SHA-256: 73b3618bb356f17f774f6216947bbb7e461cbf2e474a5178e83d7710d2c0d8bf
font_01_sfnt_off00005dfb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DFB 18788 bytes
SHA-256: 80b12915c33367b68fe221f0fa1a1fc917b12b464805dde29cb17cb2b73c3613

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