Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb5a030799c50107…

MALICIOUS

PDF

49.4 KB Created: 2021-05-12 04:40:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 2a4ea7d1c3f2e69599b727862453493d SHA-1: eedf77919ca3ca69a6b25ceed3761fadeedf809a SHA-256: eb5a030799c50107980243bfe6b11c86674b5998626a3d354712e0e66c6baee9
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/free-robux-redeem-codes-game-hack PDF link annotation
    • https://amazingnepaljourney.com/userfiles/files/coin-master-cheats-free_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/earn-robux-sites_GM431946152.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/free-links-for-coin-master_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/coin-master-free-spins-may-11-2021_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/coin-free-spin_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/free-spin-link-in-coin-master_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/minecraft-app-store-free_GM479516143.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/roblox-trolling_GM431946152.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/how-to-hack-coin-master-ios_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/how-to-make-my-own-coin-master-cards-hack_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/coin-master-hack-software-download_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/best-free-hacked-client_GM479516143.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/earn-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/master-coins-free_GM406889139.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/roblox-skins-boy-free_GM431946152.pdfIn PDF document text
    • https://amazingnepaljourney.com/userfiles/files/coin-and-spin_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004bf4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BF4 29556 bytes
SHA-256: 07f4cc4936f4716228f1d4b3c48d5aded2f34adc90896fbf2dc97ba0466654c7
font_01_sfnt_off00009151.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9151 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off00009e63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E63 18448 bytes
SHA-256: ac1fbd71dc65d7a5013a2beb110170fe519d7ae17df877d161357825f85fd2ae

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