Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c2af2c07f1682cd…

MALICIOUS

PDF

35.7 KB Created: 2021-06-18 11:05:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 3ed41c66932043329c47ea34f7dfdb25 SHA-1: 6c0ca5326ff6e0587704789250ef84fb1fe24de3 SHA-256: 2c2af2c07f1682cd90dec4b0e6941a5bb4559c407ab2b6b1d92fc784e0119b40
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 0.9980

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/roblox-how-to-get-robux-for-free-2021-no-inspect-game-hack PDF link annotation
    • http://www.taxiaparis.fr/images/how-to-get-free-pet-food-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/mcpe-master-coins-hack-download_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-robux-2021-francais_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/roblox-com-games-referrer-roblox-player_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/tiktok-likes-for-free_GM835599320.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-roblox-game-pass_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-attack-hack_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-tiktok-app_GM835599320.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/how-to-hack-on-a-roblox-game_GM431946152.pdfIn PDF document text
    • http://www.taxiaparis.fr/images/free-shades-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
stream_002_off00003110.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3110 23108 bytes
SHA-256: 4c83ca06ebb28d0464efd402ec4f1477dc1995df8f960bf8579e97a5cb4804c2
font_01_sfnt_off00006511.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6511 19452 bytes
SHA-256: 6a3320d82694989f4267f595695fb0f0ed98ab54ed818fdd0c3d33142049fb0b

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