Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d46577800ddedc9…

MALICIOUS

PDF

47.9 KB Created: 2021-05-12 17:30:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: bcdd5dab3ec1c60b2442990c511ce745 SHA-1: c9cdfe8c5b97a5304f2a59c713c13b102fb57238 SHA-256: 2d46577800ddedc9cc1ab274f212a1cded19e10d0e39f6771c9274ab7086a286
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure for free game currency or hacks, directing users to a malicious URL. The ML classifier also flagged the PDF as malicious. The document body and heuristics indicate a social engineering tactic to trick users into visiting potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9466

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 https://netcdn.xyz/app/431946152/how-to-get-free-robux-without-email-game-hack PDF link annotation
    • http://wokbaarlo.nl/images/free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://wokbaarlo.nl/images/minecraft-hacks-for-2b2t_GM479516143.pdfIn PDF document text
    • http://wokbaarlo.nl/images/free-coin-coin-master_GM406889139.pdfIn PDF document text
    • http://wokbaarlo.nl/images/coin-master-invite-friends-hack_GM406889139.pdfIn PDF document text
    • http://wokbaarlo.nl/images/coin-master-free_GM406889139.pdfIn PDF document text
    • http://wokbaarlo.nl/images/can-you-really-hack-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://wokbaarlo.nl/images/free-minecraft-account-and-password_GM479516143.pdfIn PDF document text
    • http://wokbaarlo.nl/images/minecraft-free-download-mac-full-version_GM479516143.pdfIn PDF document text
    • http://wokbaarlo.nl/images/plug-toolbox-for-minecraft-free-ios_GM479516143.pdfIn PDF document text
    • http://wokbaarlo.nl/images/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://wokbaarlo.nl/images/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://wokbaarlo.nl/images/20210-robux_GM431946152.pdfIn PDF document text
    • http://wokbaarlo.nl/images/minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://wokbaarlo.nl/images/coin-master-hack-pro_GM406889139.pdfIn PDF document text
    • http://wokbaarlo.nl/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://wokbaarlo.nl/images/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://wokbaarlo.nl/images/robux-xyz_GM431946152.pdfIn PDF document text
    • http://wokbaarlo.nl/images/http-coin-master-hack-club_GM406889139.pdfIn PDF document text
    • http://wokbaarlo.nl/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://wokbaarlo.nl/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000464c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x464C 24896 bytes
SHA-256: d2eb9557e91ea943dfdd6565b705c5e786897074399849d1cc0094ca1493c4ad
font_01_sfnt_off00007f8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F8D 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00008939.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8939 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_03_sfnt_off000095e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95E0 19328 bytes
SHA-256: 2bb545c14ce80967bc964a539ce1fba7d75b9199f0e299556cda79647f99e488

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