Malicious PDF — malware analysis report

Static analysis result for SHA-256 c4e87a997eb6c277…

MALICIOUS

PDF

40.8 KB Created: 2021-05-10 16:51:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: db900c5114120a48c93f33e57e8ff1c1 SHA-1: 317f365c2dfc28f761f194c97443dd73ba9b1a3d SHA-256: c4e87a997eb6c2773ed06cd07968f4b5f36e060929fb997c0be41200088aa16a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple external links, primarily to websites offering game hacks and cheats for popular games like Minecraft and Coin Master. The heuristic firings confirm these links are designed as lures to redirect users to potentially malicious content. The document body also contains references to these lures and the primary malicious URL. The overall goal appears to be tricking users into visiting these sites, likely to download malware or engage in other malicious activities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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/479516143/chisel-and-bits-mod-minecraft-pe-game-hack PDF link annotation
    • http://enosiderma.gr/images/today-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://enosiderma.gr/images/coin-master-hack-version-2021-free-download_GM406889139.pdfIn PDF document text
    • http://enosiderma.gr/images/minecraft-windows-10-free-trial_GM479516143.pdfIn PDF document text
    • http://enosiderma.gr/images/coin-master-spin-hack-pc_GM406889139.pdfIn PDF document text
    • http://enosiderma.gr/images/real-robux-generator_GM431946152.pdfIn PDF document text
    • http://enosiderma.gr/images/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • http://enosiderma.gr/images/op-rewards-free-robux_GM431946152.pdfIn PDF document text
    • http://enosiderma.gr/images/free-coin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://enosiderma.gr/images/actual-free-robux_GM431946152.pdfIn PDF document text
    • http://enosiderma.gr/images/how-to-get-coin-master-card-free_GM406889139.pdfIn PDF document text
    • http://enosiderma.gr/images/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdfIn PDF document text
    • http://enosiderma.gr/images/install-free-game-coin-master_GM406889139.pdfIn PDF document text
    • http://enosiderma.gr/images/how-to-free-robux_GM431946152.pdfIn PDF document text
    • https://youtuIn 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_off00004447.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4447 24856 bytes
SHA-256: 8226d838a17319333a3ec59049e4ccd8c1db56450d1078face50cd0d7b978b8d
font_01_sfnt_off00007d2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D2F 18492 bytes
SHA-256: 61a31027f058db0827ef217670a8e1f5e2a0522dc8390d68666358c3512875fc

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