Malicious PDF — malware analysis report

Static analysis result for SHA-256 6528199808153002…

MALICIOUS

PDF

57.7 KB Created: 2021-06-08 17:46:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: fbb08b2dc87635ccf3583110164bdc21 SHA-1: a9a88a6e099e9e9a513f319c4da181332ed6128d SHA-256: 6528199808153002559e47cf9db2c1536864efacaaea930ebfb8eabb465114c0
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9611

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.tw/app/431946152/roblox-hack-script-pee-pee-game-hack PDF link annotation
    • http://moneymaker-gold.de/files/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://moneymaker-gold.de/files/coin-master-hack-reddit_GM406889139.pdfIn PDF document text
    • http://moneymaker-gold.de/files/unlimited-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://moneymaker-gold.de/files/robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://moneymaker-gold.de/files/free-minecraft-hosting_GM479516143.pdfIn PDF document text
    • http://moneymaker-gold.de/files/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • http://moneymaker-gold.de/files/roblox-hacked-accounts-list_GM431946152.pdfIn PDF document text
    • http://moneymaker-gold.de/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://moneymaker-gold.de/files/free-spins-promo-code-for-coin-master_GM406889139.pdfIn PDF document text
    • http://moneymaker-gold.de/files/best-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://moneymaker-gold.de/files/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
    • http://moneymaker-gold.de/files/free-robux-website_GM431946152.pdfIn PDF document text
    • http://moneymaker-gold.de/files/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
    • http://moneymaker-gold.de/files/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://moneymaker-gold.de/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • http://moneymaker-gold.de/files/free-robux-images_GM431946152.pdfIn PDF document text
    • http://moneymaker-gold.de/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • http://moneymaker-gold.de/files/free-flip-master-coins_GM406889139.pdfIn PDF document text
    • http://moneymaker-gold.de/files/free-robux-only-1-step_GM431946152.pdfIn PDF document text
    • http://moneymaker-gold.de/files/coin-master-reward-link_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000051d0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51D0 37228 bytes
SHA-256: faecb2cc5d1ad060b2f3afec2d48c231321863f8f2997361c6f2be0b0488eec1
font_01_sfnt_off0000a447.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA447 4020 bytes
SHA-256: b18cf40498de8d9c6245736538b0e757d36855243212fe5c64e97bc065874754
font_02_sfnt_off0000b1d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB1D3 3396 bytes
SHA-256: e59bc53cd4c0ee65dc1533becad2866f345dcb060e6c68bb8187d21cb9f973ee
font_03_sfnt_off0000bdc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBDC6 18736 bytes
SHA-256: aba08ea8f56d956a780fc8e72862c1bf2e341d0ce45b3c3625f9a14270c39a23

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