Malicious PDF — malware analysis report

Static analysis result for SHA-256 59d8ab850fc895d7…

MALICIOUS

PDF

43.2 KB Created: 2021-05-10 22:13:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 7bbab0ac99c0ea1cfe2c397388f64492 SHA-1: 18486f3a302d9db5ffb29990955adeaa25943551 SHA-256: 59d8ab850fc895d777de193d9d790319c53e18eb35a9eb61671f8bd8797d750d
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 0.9969

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/406889139/coin-master-daily-free-spins-link-blogspot-game-hack PDF link annotation
    • http://repository.poliven.ac.id//repository/free-coins-and-spins-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/free-400-spins-coins-master_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/ear-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/how-to-get-free-spins-grom-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/how-to-get-free-chest-in-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/hack-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/minecraft-free-demo_GM479516143.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/coin-master-fun-hack_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/free-robux-generator-codes_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/coin-spin_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/wurst-client-112-2_GM479516143.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/coin-master-hack-download-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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000490e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x490E 26476 bytes
SHA-256: c887ca235af6e2cbd7aabdc31079732e44a7bb909379845f8bc437206d1c504a
font_01_sfnt_off00008491.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8491 18980 bytes
SHA-256: 91cb98fff4e9dd196eede8bbbb9776803ea6f152f08e09a586deabb4e02cce34

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