Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d610397d1fcbedb…

MALICIOUS

PDF

41.7 KB Created: 2021-05-14 18:10:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3baf4645b2980a4772387c33330ce80e SHA-1: 5676f95f65936c0c02c6f478e0386c8800af4c71 SHA-256: 6d610397d1fcbedbf59946051db65d668941ebc414911afd77d8c28e802f356e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a game hack lure to entice users to click on external links. The primary link, https://netcdn.xyz/app/406889139/coin-master-golden-card-hack-game-hack, is identified as a redirector for game hacks. Numerous other URLs pointing to similar game-related hacks and freebies were also extracted, suggesting a campaign focused on social engineering for potentially malicious downloads or scams. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-golden-card-hack-game-hack PDF link annotation
    • http://tileworld.com.au/files/minecraft-hack-download_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/how-to-get-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-accounts-for-sale-free_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/hack-coin-master-app_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-pro-hack_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/how-to-get-free-robux-easy-on-phone_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/https-iosgodscom-topic-20214coinmasterhack_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-daily-rewards_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-free-coins-and-spins-link-today_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-200-spin-link_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-spins-coin-master-apple_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-free-spins-and-coins-app-download_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/how-to-download-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-hack-spins-ios_GM406889139.pdfIn PDF document text
    • https://coinmasterspinandcoin.comIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000048e2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48E2 24800 bytes
SHA-256: 647ca6e5d659ca3a02b675a13bc8c80905ae026e93a67fa833f13f56b72a3041
font_01_sfnt_off0000814c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x814C 17964 bytes
SHA-256: adb4edbf0c57abdeeb225f0bd422abdfe2e9b1ff4eb8b752c2c204cd3e2141b0

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