Malicious PDF — malware analysis report

Static analysis result for SHA-256 e38a07b100853ef9…

MALICIOUS

PDF

34.8 KB Created: 2021-07-06 14:51:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 0e4228f6b4755d923808c17f00338e7e SHA-1: 9b37e0e0514ec34fbc10ebc9223f73319538fd5c SHA-256: e38a07b100853ef92ffc91d5a0a94b28e411a7b56b0fc006221196439fe690a6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'Coin Master Daily Free Spins and Coins 2021' and embeds a URL that redirects to a suspicious domain. This indicates a social engineering tactic to trick users into visiting a potentially malicious site. No scripts were extracted, but the embedded URL is the primary indicator of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/406889139/coin-master-daily-free-spins-and-coins-2021-game-hack PDF link annotation
    • https://www.planetzoe.hr/files/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.planetzoe.hr/files/fedora-roblox-free_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/how-much-robux-can-you-get-with-1-million-dollars_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/free-minecraft-printables-food-labels_GM479516143.pdfIn PDF document text
    • https://www.planetzoe.hr/files/im-hacking-ur-account-roblox-music-code_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/free-noob-hat-roblox_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/how-to-get-free-stuff-on-roblox-on-a-phone_GM431946152.pdfIn PDF document text
    • https://www.planetzoe.hr/files/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/how-to-get-free-roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/appsmob-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://planetzoe.hr/files/free-minecraft-generator_GM479516143.pdfIn PDF document text
    • https://www.planetzoe.hr/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://www.planetzoe.hr/files/mcmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://planetzoe.hr/files/jie-gaming-studio-free-robux_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/roblox-best-looking-free-avatar_GM431946152.pdfIn PDF document text
    • https://planetzoe.hr/files/minecraft-hack-download_GM479516143.pdfIn PDF document text
    • https://planetzoe.hr/files/free-private-minecraft-server_GM479516143.pdfIn PDF document text
    • https://planetzoe.hr/files/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • https://www.planetzoe.hr/files/cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • https://planetzoe.hr/files/how-to-get-free-clothes-in-roblox-on-phone_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000301d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x301D 22548 bytes
SHA-256: 1583b83b58f37afe0152cad81c7f5d5df20fab2cd81c2a6b3427821a7ea0fb4b
font_01_sfnt_off00006273.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6273 19172 bytes
SHA-256: 7fcf2b3149a92e79ac9d712a22bcde278b2a62228781b2602f3810c9df92838d

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