Malicious PDF — malware analysis report

Static analysis result for SHA-256 57cbb6b45b885780…

MALICIOUS

PDF

35.7 KB Created: 2021-06-26 05:05:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: e99899911c78d58fee7be5410bb3aadc SHA-1: ac7681d5f1a4cfd5e673b7a8f234b5356f762e12 SHA-256: 57cbb6b45b8857801f1694310ec26f99db2d44b70246d956c3d416db0200c322
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which are related to game cheats and hacks, suggesting a link farm or a lure for potentially unwanted software. The document body explicitly mentions 'How To Download Speed Hack In Roblox' and includes a URL pointing to a download for such a hack. The presence of numerous PDF links and the ML classifier's high confidence score indicate a malicious intent to redirect users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 http://netcdn.co/app/431946152/how-to-download-speed-hack-in-roblox-game-hack
    • http://library.apsidoarjo.ac.id//repository/cheats-for-coin-master_GM406889139.pdf
    • http://library.apsidoarjo.ac.id/repository/how-to-check-if-your-roblox-account-is-hacked_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/roblox-com-free_GM431946152.pdf
    • http://library.apsidoarjo.ac.id//repository/roblox-generator-no-human-verification_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/how-o-get-free-robux-trackid-sp006_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/how-do-you-get-free-robux-on-tasks_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/websites-to-get-free-robux_GM431946152.pdf
    • http://library.apsidoarjo.ac.id//repository/free-roblox-executor-no-key_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/code-to-access-a-game-that-gives-90m-robux-free_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/bloxburg-roblox-hack-2021_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/how-to-get-free-clothes-on-roblox-2021_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/where-to-buy-pubg-uc-cheap_GM1330123889.pdf
    • http://library.apsidoarjo.ac.id/repository/coin-master-hack-using-lucky-patcher_GM406889139.pdf
    • http://library.apsidoarjo.ac.id/repository/hacks-master-coin_GM406889139.pdf
    • http://library.apsidoarjo.ac.id//repository/free-robux-apk_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/roblox-cheat-bubble-gum_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/microsoft-roblox-rewards_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/how-to-redeem-a-roblox-card-for-free_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/roblox-work-at-a-pizza-place-money-cheat-2021_GM431946152.pdf
    • http://library.apsidoarjo.ac.id/repository/tiktok-followers-for-free_GM835599320.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000323a.bin
0cf1d5523a0f2481838201a249e09dea9346ab434d87bd027fa58a74a39f3838		 pdf-font-stream PDF embedded font (sfnt) at offset 0x323A 22924 bytes
font_01_sfnt_off00006557.bin
62bf7313df1b9aecbdd098cf74ae112a7745c231a7ea7c9fb40c26dc61cc1188		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6557 19340 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.