Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0e89f382fe5530b…

MALICIOUS

PDF

49.0 KB Created: 2021-06-03 23:41:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: cd5aecd76f3d64d0fc5cf1efa997e6f7 SHA-1: ab5fe741bdbf110587258c6d47f178178a22eacf SHA-256: e0e89f382fe5530b66af036963982da96b427b436aa19a6dd295b75bb3c638bd
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 0.9796

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.online/app/406889139/coin-master-links-for-free-spins-2021-game-hack PDF link annotation
    • http://muslib.unmus.ac.id/repository/toolbox-for-minecraft_GM479516143.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/roblox-free-accessories_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/free-roblox-shirt-templates_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/how-to-get-free-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/is-minecraft-education-edition-free_GM479516143.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/how-to-sue-roblox_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/free-minecraft-mods-for-xbox-one_GM479516143.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/wurst-commands_GM479516143.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/how-to-get-free-pokemon-go-accounts_GM1094591345.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/free-roblox-exploits_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/free-roblox-groups-with-funds_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/robux-premium_GM431946152.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/coin-master-free-spins-generator-no-verification_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id/repository/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://muslib.unmus.ac.id//repository/free-robux-no-verification-no-survey_GM431946152.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000053e6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x53E6 25880 bytes
SHA-256: dc819481a0cb047a86de91e2bba3526d11825d6948d6faf160dd29635473916b
font_01_sfnt_off00008f7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F7D 3868 bytes
SHA-256: ba84c069fd60d7ba57bb019f4ae7586664c453543919d01130a79d5535107045
font_02_sfnt_off00009c47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C47 18456 bytes
SHA-256: a92e7a86c8f96ab5d5d3ed0cab2d9be7dec7c1a4821e4e0502d142dbf0f5217f

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