Malicious PDF — malware analysis report

Static analysis result for SHA-256 de82dc26cd94f7dd…

MALICIOUS

PDF

35.1 KB Created: 2021-07-04 21:52:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e9e29306bae2fa96ded5ab651acf6617 SHA-1: 962a80678bfe7ab172475545ddf9d3a3d2b17da5 SHA-256: de82dc26cd94f7dd7584abc05246803ddedec7f8c0feb75425081b1e081baef4
160 Risk Score

Malware Insights

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

The PDF document contains links that redirect to known malicious infrastructure, specifically advertising game hacks and generators. The primary link, http://netcdn.tw/app/479516143/minecraft-114-download-game-hack, is presented as a download for a Minecraft hack. This indicates a social engineering lure to trick users into visiting a potentially harmful site, likely to download further malware or engage in phishing. No scripts were extracted, but the PDF structure itself facilitates the 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.tw/app/479516143/minecraft-114-download-game-hack In PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/roblox-jailbreak-noclip-hack-feb-2021_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/cheat-codes-for-skywars-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/heroes-online-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-to-hack-coin-master-game_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/roblox-hacks-for-booga-booga_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-free-spins-generator-no-verification_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-minecraft-servers-to-join_GM479516143.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-hack-fast_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/hacks-minecraft_GM479516143.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/good-looking-free-avatars-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/hack-coin-master-free_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-hack-tool-exe_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-35-2-hack_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/blox-rewards_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/robux-hack-for-roblox-no-survey_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_off000032f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32F8 22620 bytes
SHA-256: 3a138a252cf1154f9504779f2be1db9f17d9b8b73dce53e0b274c10a6f545fe6
font_01_sfnt_off0000654d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x654D 18744 bytes
SHA-256: e04c8dad389fa8ddb6e9166dcfd52ae6ae64cc707c2c66a8db2dd3b8bc072aff

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