PDF static analysis report

Static analysis result for SHA-256 af23b9b2e65f323a…

SUSPICIOUS

PDF

43.4 KB Created: 2021-05-18 03:12:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 9e78678cecfc04277af05bb9e7f19fac SHA-1: cbe76920b93e0de76224142f9b0e095239f1029c SHA-256: af23b9b2e65f323abda01d76f1daa3a8824b40b38f70b637cac644d76093a93c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual lure suggesting a download. The ML classifier strongly flagged this PDF as malicious, indicating it likely serves as a lure to download a second-stage payload. The presence of multiple URLs related to game hacks and free resources suggests a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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-cards-link-2021-today-game-hack PDF link annotation
    • http://e-mailservis.cz/images/coin-master-free-spins-a2z-help_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-hack-version-2021-free-download_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/completed-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-34-5-hack_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-hack-ios-2021_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-free-spins-hack-2021_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-hack-pc-cheat-engine_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-free-items_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/bloxpage-free-robux_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/mcpe-com_GM479516143.pdfIn PDF document text
    • http://e-mailservis.cz/images/minecraft-bedrock-server-hosting-free_GM479516143.pdfIn PDF document text
    • http://e-mailservis.cz/images/free-spins-coin-master-without-survey_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/free-coin-link-coin-master_GM406889139.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_003_off000048ff.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48FF 26340 bytes
SHA-256: 4060bd6fad64649590ea49e8129d7b363619102b632c5f312a29fa606bed88b0
font_01_sfnt_off0000862b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x862B 18636 bytes
SHA-256: d718e2cb50f6f6a34b32f5d5c2dca0cb672e7940673eb9b7e66d247dab8a0a4b