Malicious PDF — malware analysis report

Static analysis result for SHA-256 6867da9cfa18fdba…

MALICIOUS

PDF

43.4 KB Created: 2021-06-13 20:54:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: bd168d2fd6085655deb7d06ee0da35a1 SHA-1: 2bfc0aa485099d284d456f2513b003f24232569a SHA-256: 6867da9cfa18fdba1c02c47a575e54ed923ba2693954e0b1bf55e7d9120a68df
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 0.9969

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/roblox-blackhawk-rescue-mission-2-hack-game-hack PDF link annotation
    • http://babbibooth.com/images/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/roblox-got-talent-piano-hack-script_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/freer-tiktok_GM835599320.pdfIn PDF document text
    • http://babbibooth.com/images/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • http://babbibooth.com/images/free-robux-roblox-game-2021-may_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/how-you-get-robux_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/can-you-get-free-clothes-on-roblox_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-spin-rewards_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • http://babbibooth.com/images/roblox-the-pizzeria-roleplay-remastered-how-to-get-free-tokens_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/free-mguis-roblox-advanced_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/free-promo-codes-roblox-2021-december_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/minecraft-marketplace-free_GM479516143.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_off00004c07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C07 24844 bytes
SHA-256: 37aebbb525dc3e002276020521fa5fb6270611e3bb7c9f83cf4caf21ed227d0c
font_01_sfnt_off00008532.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8532 19092 bytes
SHA-256: 691326b4d96af7b6a903ce692910192663e9aaddc458db08e37353c96fc541db

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