Malicious PDF — malware analysis report

Static analysis result for SHA-256 e36f5ab58ba36708…

MALICIOUS

PDF

35.3 KB Created: 2021-06-20 05:31:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 599f6253483b9d01c18a921810e52e91 SHA-1: acf41e0360b49b6464254107eaf6d672c8a20a19 SHA-256: e36f5ab58ba367084174c444c35c67313c7661fe6836d4cc4f054f96c0654816
102 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, many of which are SEO-optimized and point to pages offering game hacks and free in-game currency for popular games like Roblox and Coin Master. The presence of a "download button" lure and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content or downloads. The document's primary purpose appears to be a lure for users seeking cheats or exploits for games.

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/features-roblox-robux-hack-apk-game-hack
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/buy-robux-free_GM431946152.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/how-to-get-free-coins-in-coin-master_GM406889139.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/2021-free-spins-on-coin-master_GM406889139.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-hack-app-android-download_GM406889139.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-today-2021_GM406889139.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/get-free-spins-in-coin-master_GM406889139.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/how-do-i-get-items-for-free-roblox_GM431946152.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/free-robux-pin-codes_GM431946152.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/how-to-win-free-robux_GM431946152.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-hack-without-verification-code_GM406889139.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/minecraft-free-ios-no-verification_GM479516143.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-coins-for-free_GM479516143.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/free-promo-codes-for-robux_GM431946152.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/robux-place-rewards_GM431946152.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/give-free-robux_GM431946152.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-haktuts_GM406889139.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-mod-version-free-download-v344_GM406889139.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-deutsch-ios_GM406889139.pdf
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-download-latest-version_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003194.bin
bb6f20abf00c7bc28ae52813fab54f5b1feb5fda71736ac15a7a300c7c8e16d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3194 22740 bytes
font_01_sfnt_off00006446.bin
0af24d3bd91ccae944de00ff07a8c069db140662e5cf09c33227f8f0b7f6995d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6446 19240 bytes

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