Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dffa248334ac64f…

MALICIOUS

PDF

44.4 KB Created: 2021-05-16 09:34:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: dba4660c5a0b0a77b0bcd081b8d47d29 SHA-1: 70125756c9a6472db7f5a4c6975f5a5c5a6a8063 SHA-256: 1dffa248334ac64f534fdb431f1fea3bd5fa18f38bce0e778e47760b963e146c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game hacks and generators to entice users into clicking malicious links. The document body and heuristics indicate a redirection to external URLs, such as 'https://netcdn.xyz/app/479516143/play-minecraft-for-free-game-hack', which likely serve as landing pages for further malicious activity or malware distribution. No scripts were extracted, but the PDF structure and embedded URIs suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

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/play-minecraft-for-free-game-hack PDF link annotation
    • http://montchanintt.fr/images/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
    • http://montchanintt.fr/images/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://montchanintt.fr/images/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • http://montchanintt.fr/images/free-vip-roblox_GM431946152.pdfIn PDF document text
    • http://montchanintt.fr/images/bad-minecraft-free_GM479516143.pdfIn PDF document text
    • http://montchanintt.fr/images/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
    • http://montchanintt.fr/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://montchanintt.fr/images/www-rubux_GM431946152.pdfIn PDF document text
    • http://montchanintt.fr/images/coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
    • http://montchanintt.fr/images/master-hack-coin_GM406889139.pdfIn PDF document text
    • http://montchanintt.fr/images/how-to-hack-m-coins-mcpe-master_GM406889139.pdfIn PDF document text
    • http://montchanintt.fr/images/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
    • http://montchanintt.fr/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://montchanintt.fr/images/generator-robux_GM431946152.pdfIn PDF document text
    • http://montchanintt.fr/images/coin-master-unlimited-spins-apk-free-download_GM406889139.pdfIn PDF document text
    • http://montchanintt.fr/images/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://montchanintt.fr/images/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://montchanintt.fr/images/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://montchanintt.fr/images/coin-master-free-spins-through-coin-pop_GM406889139.pdfIn PDF document text
    • http://montchanintt.fr/images/roblox-adopt-me-hack_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_003_off00004867.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4867 25216 bytes
SHA-256: 592b258538d4f8d958f548ed9003b89d9454f5e771f2d3e78b0d2416b8bbe1da
font_01_sfnt_off00008212.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8212 2820 bytes
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689
font_02_sfnt_off00008bb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BB3 18116 bytes
SHA-256: 58506b39f0592aa293a22e76cdd5d8324130a94bf097dc81d26ff216ea8060f4

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