PDF static analysis report

Static analysis result for SHA-256 99526f2ff8311517…

SUSPICIOUS

PDF

42.9 KB Created: 2021-05-13 14:23:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1b84d4058e7441b7a5ee3e41e54dd438 SHA-1: 5043ac9671fbcadbafeb6516953f0f93eb9b2f91 SHA-256: 99526f2ff831151754bdfb4bd33bb0d7b770646e26f7c147fc235ccfaaa3e508
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual call-to-action button, strongly suggesting a phishing or scam lure related to 'Coin Master Free Spins'. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the content indicate a likely attempt to redirect users to malicious sites for credential harvesting or other fraudulent activities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-spins-a2z-help-game-hack PDF link annotation
    • http://e-mailservis.cz/images/haktuts-2021-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-free-items_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/free-roblox-gift-card_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/earn-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/free-robux-microsoft_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-hack-2021-without-human-verification_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/how-to-get-free-robux-on-phone-2021_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/completed-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/hack-coin-master-dzooka_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-daily-gift-free-spins-and-coins-link-today_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/archery-master-3d-apk-and-mod-free-download-unlimited-coins_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-200-spin-link_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/synapse-roblox-free-download_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/roblox-free-pants_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-free-pet-food_GM406889139.pdfIn PDF document text
    • http://e-mailservis.cz/images/roblox-catalog-free_GM431946152.pdfIn PDF document text
    • http://e-mailservis.cz/images/coin-master-link_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_off000046af.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46AF 29840 bytes
SHA-256: c4d295bdfb03d9c7efbffe2be79c12927c10fdee7d1d540f7d220d7f3fd5a5e9
font_01_sfnt_off000085d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85D5 18168 bytes
SHA-256: a5884a39bf45b42a5821e2aa54ec8691fbc2d69a0c3221e4e545f5cdbb5ba5a1