PDF static analysis report

Static analysis result for SHA-256 21cf348d2d7bb4fa…

SUSPICIOUS

PDF

49.7 KB Created: 2021-06-09 04:54:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c2ffdb90e1a0535d15d86f4a73d444c7 SHA-1: dc45c80e6577434bbac3fd590010dddb0c8bea0f SHA-256: 21cf348d2d7bb4fa669d7fca15ecb83501abd9188a827fcbc47b35f6bdfac4b6
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and a visual call-to-action, strongly suggesting a lure to download additional content. The ML classifier also flagged this PDF as malicious with high confidence. The document body, though heavily obfuscated, contains references to game cheats and hacks, aligning with the observed URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/farmtown-cheats-roblox-game-hack PDF link annotation
    • http://io24.com.ar/images/coin-master-free-coins-no-human-verification_GM406889139.pdfIn PDF document text
    • http://io24.com.ar/images/roblox-follower-bot-free_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/roblox-conquerors-3-cheat_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/roblox-speed-change-cheat-engine_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/roblox-com-redeem_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/roblox-com-hack_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/free-hair-roblox_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/roblox-counter-strike-hacks_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • http://io24.com.ar/images/coin-master-spin-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://io24.com.ar/images/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/free-robux-no-human-verification-and-no-survey_GM431946152.pdfIn PDF document text
    • http://io24.com.ar/images/coin-master-hack-2021-apk-download_GM406889139.pdfIn PDF document text
    • http://io24.com.ar/images/claim-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000050aa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50AA 27828 bytes
SHA-256: ec8edd9651c2452803333988c2b06f1ea6bd6e2fa9768af9888de97c65482e2a
font_01_sfnt_off000090e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90E3 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off00009df5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DF5 18872 bytes
SHA-256: f9d727ba7735675b0084a34a83fd85ee5676c0064bb0ecce77d8a3b0db2fcdc4

Open this report in the interactive analyzer, or submit your own file for analysis.