PDF static analysis report

Static analysis result for SHA-256 61821db858598d98…

SUSPICIOUS

PDF

45.5 KB Created: 2021-05-11 18:01:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: baa03160e9ab8c53a002b19fadbffd44 SHA-1: 218e5bbbb154f42f3432c7175725fb8dbf799af7 SHA-256: 61821db858598d98d4eadef2a9dfcea97da6861441bb32c81b55d85e35bf8a1d
42 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and a visual call-to-action button, strongly suggesting a phishing or social engineering attempt. The primary URL, https://netcdn.xyz/app/406889139/coin-master-free-daily-spins-today-game-hack, is likely intended to lead the user to download a malicious payload disguised as game cheats or hacks. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

Heuristics 3

  • 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/coin-master-free-daily-spins-today-game-hack PDF link annotation
    • http://www.arichuna.com/images/files/roblox-login-hack_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
    • http://www.arichuna.com/images/files/minecraft-hack-ios_GM479516143.pdfIn PDF document text
    • http://www.arichuna.com/images/files/microsoft-rewards-roblox_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/coinmasterfree_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/coin-master-free-spin-link-new_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/roblox-person_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/www-coin-master-hack-tk_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/can-i-have-robux_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/roblox-2021-hack_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-vip-server-roblox_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/minecraft-education-free_GM479516143.pdfIn PDF document text
    • http://www.arichuna.com/images/files/master-free-spin-and-coin-links-html-m-1_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/earn-free-robux-for-roblox_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_off00004a36.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A36 25472 bytes
SHA-256: 3898f4d7e3d6de296bf0da47bf8e661c645fdfc9f313431358488132235ea6f7
font_01_sfnt_off000084f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84F2 2824 bytes
SHA-256: 381f6d859be141449dd645f7be1484d2a1cf49218dc471b402dae69eaa2b11d5
font_02_sfnt_off00008e95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E95 18480 bytes
SHA-256: 3f20608b23d642d48b0ef55ae4729c727d7cf00d09df157ae026893392480c2b