Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ad6e6a56f01abac…

MALICIOUS

PDF

46.6 KB Created: 2021-06-03 21:58:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9479f7db82ac0fddf24b9434736ca08a SHA-1: 7e4767a9f3c6077ccaec1cfbc393e8d98246a5f2 SHA-256: 9ad6e6a56f01abac9bdf73d070d1f17108e3cf1faebf71f7b7cae3e3f8fb4613
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and lures users with promises of game hacks and free currency. The document body and embedded URLs suggest a social engineering tactic to trick users into visiting malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious redirector workflow, likely leading to further malware download or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9748

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 https://netcdn.online/app/431946152/earn-robux-com-game-hack In PDF document text
    • http://library.atim.ac.id/repository/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/get-free-robux-now_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/wurst-mc_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-minecraft-generator_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-hack-coin-master-ios-jailbreak_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-spin-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/minecraft-jar-free_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-roblox-clothes-boy_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-hacks-no-surveys_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/roblox-inappropriate-games_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/coin-master-free-attack-hack_GM406889139.pdfIn PDF document text
    • http://library.atim.ac.id/repository/minecraft-online-free-no-download_GM479516143.pdfIn PDF document text
    • http://library.atim.ac.id/repository/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/my-roblox-avatar_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • http://library.atim.ac.id/repository/heroes-online-roblox_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004fe3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4FE3 24916 bytes
SHA-256: 07426d7d43253e8779df39cf5c495008d08209957faa352b00f573f759c6659b
font_01_sfnt_off0000895a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x895A 2824 bytes
SHA-256: 1d0cb1023eaa225682b8e7a2c8df4e4c96545ba7eedaf3d9844e51183e9ca189
font_02_sfnt_off00009307.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9307 18340 bytes
SHA-256: 73022d66eecee4efafff23453c98f7b2dd1a6a21145ea515066a8a3f3a15b160

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