Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d148879f9ea3f6f…

MALICIOUS

PDF

34.4 KB Created: 2021-06-21 00:35:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0542c88d467c83f041fd5e55b5bada51 SHA-1: 0acdb35770f3794058576d4225b8889dfe7022d0 SHA-256: 4d148879f9ea3f6fd282446e4a99796acf7dfee1ebe107ad0ebe4798d60ed121
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites that promise game hacks and free in-game items, a common lure for phishing or malware distribution. The ML classifier strongly indicated maliciousness, and the document body confirms the lure. The embedded URLs likely lead to further malicious content or exploit kits.

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/get-free-item-in-roblox-game-hack PDF link annotation
    • http://parsbaft.com/images/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
    • http://parsbaft.com/images/robux-hack-game_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-coin-master-spins-2021-link_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/youtube-inquisitor-master-my-roblox-account-got-hacked_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/coin-master-hack-no-verification-ios_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/mcpe-master-unlimited-coins-free-download_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-sign-in-free_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/robux-and-tix-hack-no-survey-no-download_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-jailbreak-fire-hack_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://parsbaft.com/images/jukebox-free-script-roblox_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-premium-free_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/gain-robux_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-hack-other-players_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/https-enhelprobloxcom-hc-enus-articles-202120210myaccountwashacked_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-mod-apk-free-download_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/roblox-best-hack-for-apocalypse-rising-2021_GM431946152.pdfIn PDF document text
    • http://parsbaft.com/images/how-to-get-shirts-on-roblox-for-free-no-bc_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_off00002fa9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA9 22356 bytes
SHA-256: b974d9ceac891fd9df854ccdc0d4e4d7115d31c6f5d061e06eee4f28c6eeec1e
font_01_sfnt_off00006151.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6151 19016 bytes
SHA-256: 413b1d5d56419f8ec71161f309d03713c8e448854cd70d1729270a1089fc7176

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