Malicious PDF — malware analysis report

Static analysis result for SHA-256 aced14aff93fbda2…

MALICIOUS

PDF

35.4 KB Created: 2021-07-08 07:51:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 91943b81c76f4e1d26e5f8b080aa5ba6 SHA-1: 2ff932314cfd6a0aaf835815739d2bdf14229af4 SHA-256: aced14aff93fbda22fd4c996899babde461385a976a1f4ae57b20bb07cb94c8f
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which are related to game hacking and exploits. The ML classifier strongly indicated maliciousness. The document body and extracted URLs suggest a lure to download potentially malicious content or visit phishing sites related to game cheats and currency.

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.tw/app/431946152/how-to-hack-roblox-with-inspect-element-2021-game-hack
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/what-tiktok-free-fans_GM835599320.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/roblox-let-the-bodies-hit-the-floor-hack_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/how-to-use-cheat-engine-on-roblox-for-robux_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/boost9-com-roblox-hack_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/coin-master-free-spins-hack-apk-download_GM406889139.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/hack-roblox-transformaciones_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/hacks-for-roblox-prison-life_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/how-to-hack-hats-in-roblox_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/da-hood-speed-hacks-roblox-exploit_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/how-to-get-free-faces-on-roblox-2021_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/roblox-login-hack_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/give-me-robux-now_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/how-can-you-get-free-robux_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/free-bling-bling-card-coin-master_GM406889139.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/roblox-how-to-kick-players-with-cheat-engine_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/how-to-upload-music-to-roblox-for-free_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/robux-hack-generator_GM431946152.pdf
    • https://elearning.mtsn2bogor.web.id/__statics/gudangsoal/files/minecraft-pe-hacks-ios_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030a8.bin
f84b80205beb9ca80f614ae680c786e967e5c6f7764bfaff7eccd139ea825e6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30A8 22204 bytes
font_01_sfnt_off000061d2.bin
06af6477b71a07c0d7da342e7dff32c358123c50e1adfc7bf45d9181998cf257		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61D2 20248 bytes

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