Malicious PDF — malware analysis report

Static analysis result for SHA-256 e75416daa8cae1c3…

MALICIOUS

PDF

40.0 KB Created: 2021-05-10 15:52:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 2bcfabcce7dfcfd33418870e13fe32da SHA-1: 966a1c123082665ad4698994e1758c85b89a0a67 SHA-256: e75416daa8cae1c32e402eaa345e860fdbaece41366f93b50d657016353b8ff6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and text that lure users with promises of free game items and hacks, such as 'Free Minecraft Mods' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR'. The primary malicious URL identified is https://netcdn.xyz/app/479516143/free-minecraft-mods-game-hack, which is likely a landing page for malware or further phishing attempts. The document's structure and content strongly suggest a social engineering tactic to trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9945

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-mods-game-hack PDF link annotation
    • http://www.homesweethome.pl/images/free-games-coin-master_GM406889139.pdfIn PDF document text
    • http://www.homesweethome.pl/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://www.homesweethome.pl/images/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.homesweethome.pl/images/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://www.homesweethome.pl/images/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://www.homesweethome.pl/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
    • http://www.homesweethome.pl/images/how-to-hack-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://www.homesweethome.pl/images/get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.homesweethome.pl/images/free-robux-ad_GM431946152.pdfIn PDF document text
    • http://www.homesweethome.pl/images/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • http://www.homesweethome.pl/images/roblox-hack-apk_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
stream_003_off00004343.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4343 25240 bytes
SHA-256: 303c491f93f024c49581898e1b0802af71070bf951d57ce4a843020e9d43dd7b
font_01_sfnt_off00007bea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BEA 17884 bytes
SHA-256: adaa6c4c94b3243dd254ffbddf76305537cf905bb6459c29a6343236798c761b

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