Malicious PDF — malware analysis report

Static analysis result for SHA-256 95f6074ef323f301…

MALICIOUS

PDF

35.1 KB Created: 2021-06-29 14:26:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: eed4ec6ac1e065c14eb99c79be4bb91a SHA-1: 90ac5097ebb34dad6edafc0b845d035f411d3d2d SHA-256: 95f6074ef323f30130ce33c09737878cf5b76211f87c396c22c35787c9b1c199
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a lure for game hacks, specifically mentioning 'Robux Hacks' and directing users to a URL associated with malicious redirector infrastructure. The ML classifier strongly flagged this PDF as malicious, and heuristics indicate it's designed to trick users into visiting a potentially harmful site. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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/robux-hacks-were-you-can-download-game-hack In PDF document text
    • http://www.elibrary.perludem.org/repository/comment-hacker-roblox-macbook-pro_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/how-to-get-free-dominus-in-roblox_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/coin-master-free-spins-link-download-apk_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/games-that-give-you-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/free-roblox-templates_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/free-roblox-hack_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/login-robux_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/pokemon-go-free-pokemon_GM1094591345.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/free-toy-codes-for-roblox_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/roblox-work-at-a-pizza-place-cheats-2021_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/roblox-big-brother-hacks_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/hackear-coin-master_GM406889139.pdfIn PDF document text
    • http://elibrary.perludem.org/repository/free-robux-script_GM431946152.pdfIn PDF document text
    • http://elibrary.perludem.org//repository/how-to-get-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/can-i-hack-roblox_GM431946152.pdfIn PDF document text
    • http://www.elibrary.perludem.org/repository/how-to-hack-roblox-accounts-2021-with-wireshark_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_off000030e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30E7 22088 bytes
SHA-256: fec3c5f8f01a9f15066e9605ab00316a7cb9a51042ba553c3af99c10b2c619b2
font_01_sfnt_off0000620c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x620C 19664 bytes
SHA-256: 1ddb36ba634dcabf75a4d9e481700ffa11d013d0b0f40ac5cb6b118111203983