PDF static analysis report

Static analysis result for SHA-256 e607c1b533ee3619…

SUSPICIOUS

PDF

52.3 KB Created: 2021-06-07 20:33:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ea0dbc24ea7a0bf465552d7e730abeda SHA-1: a20af8ffa3b5adf62fa0e3b3e8d1a0bd4bc58bb1 SHA-256: e607c1b533ee361977f60aa74d77e934495cce19d98bbfe008fcd929aa689520
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a heuristic firing for an external URI, all pointing to sites offering game cheats or hacks. The ML classifier also flagged the PDF as malicious with high confidence. While no scripts were explicitly extracted, the presence of external links and the lure of free in-game items strongly suggest the document is designed to trick users into downloading potentially malicious second-stage payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9657

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/roblox-hack-game-hack PDF link annotation
    • https://cluster-consulting.com/images/free-coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-free-spins-link-2021-download_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/can-i-have-robux_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-unlimited-robux_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-make-a-minecraft-server-for-free-java_GM479516143.pdfIn PDF document text
    • https://cluster-consulting.com/images/minecraft-free-minecoins_GM479516143.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/roblox-games-with-free-vip-servers_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/cr7-test-roblox-hack_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/gamehunters-coin-master_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/7-year-old-roblox_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/microsoft-robux_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/is-minecraft-free-on-pc_GM479516143.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000518c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x518C 27496 bytes
SHA-256: 908b7e2501b6f9fc03b48c2bcaeec7eece06fd327e0cc69964bb971775ecaaab
font_01_sfnt_off00009023.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9023 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00009cc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CC6 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_03_sfnt_off0000a9d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA9D8 18184 bytes
SHA-256: 1e306c7abfe58da704748ef58ff750010dbbd803bf497203b0bed85dd8d0d5c5

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