Malicious PDF — malware analysis report

Static analysis result for SHA-256 7eadcac4f3595bf8…

MALICIOUS

PDF

44.4 KB Created: 2021-06-03 04:11:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: c7157af3dbf7ef26b743dd6e964235f1 SHA-1: ab6ba0294640d39d76980ffb87c37f96416d9597 SHA-256: 7eadcac4f3595bf8bf861dc9a73aa58d9eea5e3934831397a70e6211b22cb64a
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 0.9865

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.online/app/406889139/coin-master-free-spins-link-download-game-hack PDF link annotation
    • https://www.labdagatismk1pundong.com/repository/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-free-spin-group_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-hack-pc-cheat-engine_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coinmaster-rewards_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-fire-coin-master_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-custom-minecraft-skins_GM479516143.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn 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
font_00_sfnt_off000050f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50F1 25812 bytes
SHA-256: f714e2586f085e26bd1fb668a3a42450a0a0da42731cf5161377cf3b8733748c
font_01_sfnt_off000089b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89B7 18636 bytes
SHA-256: e0ee4d28e9fbd90893640acb023fdb3433a7d18e360fd79b0a1965f7934d0c46

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