Malicious PDF — malware analysis report

Static analysis result for SHA-256 94b482f6f32b516a…

MALICIOUS

PDF

34.9 KB Created: 2021-06-26 22:34:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 573fbad3f1252390bceac52c1841155a SHA-1: 194fe495b865fc4e23e8f9a00a752ef9d9f77ca3 SHA-256: 94b482f6f32b516a87be3a6995c01a750677674e6d92167b8cfa8bacf75e3474
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a heuristic firing for a 'free generator / game hack' redirector lure. The document body, though partially corrupted, indicates a theme of obtaining free game items or hacks for popular games like Roblox and Coin Master. The primary URL, http://netcdn.co/app/431946152/how-to-change-your-roblox-name-for-free-2021-game-hack, is likely the initial landing page for a scam or malware download.

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/how-to-change-your-roblox-name-for-free-2021-game-hack PDF link annotation
    • http://www.travelone.ae/userfiles/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/windows-10-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/roblox-free-clothes-girl_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/coin-master-game-for-pc-free-download_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/roblox-cheats-for-jailbreack_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/pokemon-go-free-bot_GM1094591345.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/minecraft-pe-free-download_GM479516143.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/robux-hack-codes-2021_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-private-server-roblox_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/hack-coin-master-for-android_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/download-coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-coin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://www.travelone.ae/userfiles/files/free-robux-no-verification-required_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_off00002ff3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FF3 22112 bytes
SHA-256: a796ba41ed7f87207b03e1ce3fd0c88730c73d454c231c9b0255b09ab623c3a2
font_01_sfnt_off000060ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60FF 19944 bytes
SHA-256: d2dc04e8e0a7645ab4aa6350b315d7935398c97f6a8d4ddac9a56b4eedc100f3

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