Malicious PDF — malware analysis report

Static analysis result for SHA-256 08edf76748aa05ff…

MALICIOUS

PDF

35.9 KB Created: 2021-06-27 22:04:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7744f222aa7641413f42d1a827c8fc61 SHA-1: 0be1aba6f8772f26dc59177d591f8a32b67dd6b1 SHA-256: 08edf76748aa05ffb64f821fe476ab79a6d459f64ce1184bbba6b5b8a2bafa38
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links and text related to game hacks and free currency, specifically targeting Roblox and Minecraft. The primary lure is 'How To Get Roblox Premium For Free 2021', directing users to the URL http://netcdn.co/app/431946152/how-to-get-roblox-premium-for-free-2021-game-hack. This suggests a social engineering tactic to trick users into visiting potentially malicious sites. No scripts were extracted, but the PDF structure and embedded URLs strongly indicate a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/how-to-get-roblox-premium-for-free-2021-game-hack PDF link annotation
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/hex-hack-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/robux-follow-free_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-to-get-free-robux-on-roblox-pc_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/roblox-high-jump-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/minecraft-java-edition-free-trial_GM479516143.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/bux-life-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-to-get-the-roblox-hack-skript_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/free-tiktok-followers-generator_GM835599320.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/free-annualy-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/hack-roblox-with-edit-this-cookie_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-to-change-your-health-on-roblox-with-cheat-engine_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/poste-eybens-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/free-tiktok-fans_GM835599320.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/free-robux-giveaway-live-now-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/police-sym-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-to-get-free-roblox-hair_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/commen-avoir-robux-free_GM431946152.pdfIn PDF document text
    • https://elearning.man1lmg.my.id/__statics/gudangsoal/files/how-to-get-free-wings-on-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_off00003243.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3243 22496 bytes
SHA-256: d42b4df8b3914c2739e5cf7a96cd52ad6d63ed26a488d7c014a2e1a31dac1043
font_01_sfnt_off00006497.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6497 19992 bytes
SHA-256: 5d92c0ac708cb6372069878ce274a0583dd4db4fed5f7a9ab4827dfd753440d4

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