Malicious PDF — malware analysis report

Static analysis result for SHA-256 e984c17685bdaa71…

MALICIOUS

PDF

36.5 KB Created: 2021-05-20 21:17:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 8723019283b08fe65fc8235d48c7b2b7 SHA-1: f57ac0eb172fd7cb4375f5190d277e07ff2cf3c2 SHA-256: e984c17685bdaa7154450952ab63c7723e6083f8177228e3a8a01fbff06d1914
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a call-to-action phrase ('CLICK HERE TO ACCESS MINECRAFT GENERATOR') designed to trick users into clicking on malicious URLs. The primary lure is related to 'free Minecraft skins' and game hacks, which is a common social engineering tactic. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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.xyz/app/479516143/free-minecraft-skins-pc-game-hack PDF link annotation
    • https://elearning.mtsddikanang.sch.id/__statics/gudangsoal/files/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsddikanang.sch.id/__statics/gudangsoal/files/roblox-hacked-version_GM431946152.pdfIn PDF document text
    • https://elearning.mtsddikanang.sch.id/__statics/gudangsoal/files/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://elearning.mtsddikanang.sch.id/__statics/gudangsoal/files/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • https://elearning.mtsddikanang.sch.id/__statics/gudangsoal/files/hacking-apps-for-roblox_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_off00003444.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3444 25952 bytes
SHA-256: 972fc863f1f513c9775492bfa55d535871496ff47e5dd54c8e22cee0e2bb5ef9
font_01_sfnt_off00006ecc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ECC 17892 bytes
SHA-256: 38d2ac9589c51081060ff5b719ef2985d9213db1bca3ba0b1a36204662c24b5d

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