Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e4e5ed794f16295…

MALICIOUS

PDF

44.9 KB Created: 2021-05-16 08:00:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 294ea732f298b80cd644456aaf16f69a SHA-1: 131065b48fa6d62367f2e9851593f34b369ed194 SHA-256: 1e4e5ed794f16295bb8d9a27e336846613372ed59bb36f566c084b7b9746da31
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 0.9632

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/free-spins-on-coin-master-game-hack PDF link annotation
    • https://lobergetart.se/images/minecraft-pe-hack-client-2021_GM479516143.pdfIn PDF document text
    • https://lobergetart.se/images/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://lobergetart.se/images/hack-mod-coin-master_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • https://lobergetart.se/images/get-free-robux_GM431946152.pdfIn PDF document text
    • https://lobergetart.se/images/facebook-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/free-unlimited-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/hack-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/coin-master-free-coin-and-spin-app_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • https://lobergetart.se/images/hack-coin-master-free_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/150-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/coin-master-free-spin-whatsapp-group_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/coin-master-apk-hack-download_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/free-roblox-injector_GM431946152.pdfIn PDF document text
    • https://lobergetart.se/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://lobergetart.se/images/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/coin-master-game-free_GM406889139.pdfIn PDF document text
    • https://lobergetart.se/images/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000047ec.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47EC 26464 bytes
SHA-256: 5c34652e0f52fb3738e6283f6b847399fec87b060fa3215a04d55e15f5dc6818
font_01_sfnt_off000084a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84A6 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00008e58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E58 17884 bytes
SHA-256: addbd5428a422ca7211e94293fed3a4f98c85d5f6337328d4d3623e90d90c649

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