Malicious PDF — malware analysis report

Static analysis result for SHA-256 63802e3f6b7d5820…

MALICIOUS

PDF

50.6 KB Created: 2021-05-18 01:09:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 5057dd1dfb649e80b8a2405903638f26 SHA-1: c91a515044b3e49ab22434df9732d7847fed25cd SHA-256: 63802e3f6b7d5820c761d04f6d5c095046ec36a479c6d165260fa1566a3a5d3b
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 0.9349

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/roblox-promo-codes-free-robux-game-hack PDF link annotation
    • https://www.simplenepaltravel.com/userfiles/files/robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/coin-master-free-spins-hack-download_GM406889139.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/minecraft-creative-mode-free_GM479516143.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/orewards-com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/coin-master-free-spins-links-app_GM406889139.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/coin-master-free-spin-link-new_GM406889139.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/free-minecraft-skins-xbox-one_GM479516143.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/free-roblox-generator_GM431946152.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/daily-free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/coin-master-daily-free-spins-link-today-haktuts_GM406889139.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/free-robux-for-kids_GM431946152.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/coin-master-free-spin-download_GM406889139.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/hack-minecraft_GM479516143.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/roblox-hack-client_GM431946152.pdfIn PDF document text
    • https://www.simplenepaltravel.com/userfiles/files/minecraft-xbox-one-free_GM479516143.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_003_off00004ad1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AD1 34284 bytes
SHA-256: 993bde97323b3ab428ed4f8cae8f90be76fb90c5c5e7b2bc88566a4bbd2414ad
font_01_sfnt_off00009589.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9589 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off0000a29a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA29A 18676 bytes
SHA-256: 3ed324e585500d41944ebd93500991c566830021fec9c5a8323b790459c3443f

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