Malicious PDF — malware analysis report

Static analysis result for SHA-256 64e2e126b89c3eba…

MALICIOUS

PDF

34.3 KB Created: 2021-06-19 00:29:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 3652c5bd078395459bbd16b08c1e9fab SHA-1: 06d8791431cbdbed515b4ab656c5f9ebefe9c74a SHA-256: 64e2e126b89c3eba0b5d5acbd4dcd70cc1a38d6da0287af2efca8ca73ee4a3a8
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/free-animation-roblox-game-hack PDF link annotation
    • http://perpus.i2s-learning.com//repository/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/op-rewards-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/fighting-free-card-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/20-free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/free-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/best-groups-to-join-for-free-robux-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-master-hack-game-download_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/claimrobux-net_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/play-roblox-free-online_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/minecraft-cheats-pc-2021_GM479516143.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-robux-working_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/hack-anyone-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-robux-and-tickets-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://perpus.i2s-learning.com//repository/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • http://perpus.i2s-learning.com/repository/free-robux-hack_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_off00002dd0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2DD0 22708 bytes
SHA-256: fa2f3d7a4397f708aa7bf7d2842a28fbe7154fb755a7b230fc57a18485b6c0ad
font_01_sfnt_off000060f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60F0 19132 bytes
SHA-256: c9483f04fa4ccfe92612a2671c8eb1ba16e3f6af7ef4215568eb03618f55d3c1