PDF static analysis report

Static analysis result for SHA-256 806be36ed5b7244f…

SUSPICIOUS

PDF

45.6 KB Created: 2021-06-08 16:29:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a7d4cff6b99803d4ea4ea6d09d87d739 SHA-1: 66624bf3a40a13f5899cdf5fc73473b06127e82f SHA-256: 806be36ed5b7244fa778f3926cc78f491d3c9fcae3a821fd9521b4a9d70a8196
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free Robux' and game cheats, directing users to external URLs. The presence of embedded URLs and a high ML classifier score indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to lead the user to a potentially malicious website, likely for phishing or scam purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9797

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/earn-points-for-free-robux-game-hack PDF link annotation
    • http://unilin21.ru/images/today-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/is-minecraft-vr-free_GM479516143.pdfIn PDF document text
    • http://unilin21.ru/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/haktuts-coin-master-today_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/robux-free-gift-card_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/coin-master-free-spins-ios-2021_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/minecraft-cheats-switch_GM479516143.pdfIn PDF document text
    • http://unilin21.ru/images/free-robux-app_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/coin-master-admin-free-spins_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/hack-for-roblox-a-bizzare-day_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/how-to-get-minecraft-for-free-on-xbox_GM479516143.pdfIn PDF document text
    • http://unilin21.ru/images/pubg-uc-mod-2021_GM1330123889.pdfIn PDF document text
    • http://unilin21.ru/images/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/how-to-hack-to-get-nightblade-in-murderer-mystery-roblox_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://unilin21.ru/images/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • http://unilin21.ru/images/coin-master-32-mod-hack-unlimited_GM406889139.pdfIn PDF document text
    • http://unilin21.ru/images/coin-master-hack-online-generator-without-human-verification_GM406889139.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_004_off00004dca.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DCA 24080 bytes
SHA-256: e5025cb94a502c59f892a13812be1b92a1db2be647070ad241ff2762c1d2f424
font_01_sfnt_off0000843f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x843F 2892 bytes
SHA-256: c2578a292634a901613c1dd9f9883dd4930e6811e59ae03d696f263e56ea17b4
font_02_sfnt_off00008e29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E29 18620 bytes
SHA-256: 6b1014da6d02ec633e7fe68ddcf438f67561179fb669a36e03e1e7eadc01a808