Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0d1e22f38e361ea…

MALICIOUS

PDF

34.4 KB Created: 2021-07-05 09:48:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 57da1477f1df7f9829881f304922741d SHA-1: cbc503ac9997309c1d6d2a197a00b9ed65805d58 SHA-256: e0d1e22f38e361ea00aaadd3566090caa2301a5bc9230fda5d38e34238a55f4e
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/479516143/how-to-get-free-tokens-in-minecraft-ps4-game-hack PDF link annotation
    • http://lib.fekon.untad.ac.id/repository/coin-master-free-spins-2021-ios_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/fisicuffs-roblox-cheats_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-hack-roblox-for-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/best-free-robux-sites_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/roblox-free-super-power-trainin-vip-server_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-rs999-999-999-on-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/roblox-fly-hack-not-a-virus-flood-escape-2_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-robux-rewards_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-download-roblox-hack-tool_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-spins-for-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-get-free-robux-on-android_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-my-robux_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/how-to-hack-in-robux-ez_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-online-games-like-minecraft_GM479516143.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/arsenal-fly-hack-roblox_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/roblox-star-glitcher-hack_GM431946152.pdfIn PDF document text
    • http://lib.fekon.untad.ac.id/repository/free-candy-van-script-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
font_00_sfnt_off0000332d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x332D 21800 bytes
SHA-256: e2a3e5fc787c3138f237163b4aac6dd857b484aaee0a266a2acb705e47bd3ffa
font_01_sfnt_off000062ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62EF 18548 bytes
SHA-256: c9fbc10abf9748535dcf6f38893f5f1d2b6f185faf9d47973b5cce24443c5ca9

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