Malicious PDF — malware analysis report

Static analysis result for SHA-256 110eeeeb9e71af4e…

MALICIOUS

PDF

34.3 KB Created: 2021-07-10 03:21:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: b86e6622a90dc0a7d76fbe360d015f23 SHA-1: ecfb9245d768d84c4c82e0632aa8cdcc7b553ce1 SHA-256: 110eeeeb9e71af4e3a8e86adca0fc3148688eb2efa2ea3e99beb593bd6c2de3f
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.tw/app/431946152/roblox-premium-free-game-hack PDF link annotation
    • https://tanahlot.id/assets/CKImages/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/hacks-para-roblox-hospital-roleplay-30_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/free-rixty-codes-roblox_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/download-coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/name-that-character-cheats-roblox_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/how-to-get-any-shirts-for-free-on-roblox_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/keneco-kitten-says-roblox-hack_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/coin-master-strategy_GM406889139.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/free-roblox-sparkle-time-shirt_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/roblox-cheat-engine-bypass-2021_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/synapse-roblox-free_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/free-chest-coin-master_GM406889139.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/free-robux-obb6_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/free-robux-no-info-needed_GM431946152.pdfIn PDF document text
    • https://tanahlot.id/assets/CKImages/files/make-robux_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_off00002e75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E75 22460 bytes
SHA-256: ee08bc7424562089bdffd528fd17062cfde717348c36de6c59c790aa48466d1e
font_01_sfnt_off00006089.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6089 19324 bytes
SHA-256: c8a2b1ae1c1508803a3d8c69ed3754c7f46d1063272e7458056edfc0801350b1

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