Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e35ea04b36e33e2…

MALICIOUS

PDF

44.5 KB Created: 2021-06-08 23:21:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 412f67212cfd6fe3eefb1221322d0a5c SHA-1: 945e091f1278529f288e12c2dcec8263352cf915 SHA-256: 6e35ea04b36e33e2e18d0226ce6e2e4aeeaa570eada56a76619de2275e6a74b8
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free game hacks' and directs users to a suspicious URL. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the PDF structure and embedded links suggest it's designed to redirect users to potentially harmful content, likely for credential harvesting or malware distribution.

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.tw/app/431946152/free-roblox-codes-june-2021-game-hack PDF link annotation
    • http://tileworld.com.au/files/coin-master-34-4-free-download_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/how-to-change-your-username-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/claim-free-robux_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-exploit-scripts_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-free-items-2021_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-minecraft-mods_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/mathep_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/clients-minecraft_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/mcpe-client_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/how-to-get-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/free-minecraft-worlds_GM479516143.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
stream_004_off00004e5f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E5F 25708 bytes
SHA-256: 23e2a92425fe08144d9ef39820c74cf53ca2267823de3eb6f82ffcad8f3a80a9
font_01_sfnt_off000089b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89B1 18828 bytes
SHA-256: 031913c25f3fb22be7aebe6f39936b48e29fcd99c424b3d6fb93921e4870103e

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