PDF static analysis report

Static analysis result for SHA-256 b57978cf5426e6c0…

SUSPICIOUS

PDF

33.7 KB Created: 2021-07-03 20:09:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 8a5e4f85f44b33bcb4229bbdc3cd5dbc SHA-1: 125737951a2bea4da515ea22fd7e804d5a2fe39d SHA-256: b57978cf5426e6c056f20b06c7b02dc641583f2ee02d7ee09ac7fd37cc4bfc07
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous URLs promoting free in-game currency for popular games, indicating a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs suggests an attempt to redirect users to external sites for further exploitation. While no scripts were explicitly extracted, the nature of the content and the ML detection point towards a malicious document designed to trick users into downloading or visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/431946152/free-robux-co-game-hack PDF link annotation
    • https://www.apartmani-mestrovic-krk.hr/files/coin-master-hack-no-survey-2021_GM406889139.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/free-robux-mod_GM431946152.pdfIn PDF document text
    • https://www.apartmani-mestrovic-krk.hr/files/how-to-generate-free-coin-master-spin_GM406889139.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/roblox-corruption-hack-download_GM431946152.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/good-games-on-roblox-free_GM431946152.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/coin-master-fun-hack-online_GM406889139.pdfIn PDF document text
    • https://www.apartmani-mestrovic-krk.hr/files/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://www.apartmani-mestrovic-krk.hr/files/roblox-assassin-free-knives_GM431946152.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/coin-master-hack-mobile_GM406889139.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/rbxnow-gg-get-free-robux-on-roblox-playing-games_GM431946152.pdfIn PDF document text
    • https://www.apartmani-mestrovic-krk.hr/files/how-to-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/jailbreak-cheats-roblox-money_GM431946152.pdfIn PDF document text
    • https://www.apartmani-mestrovic-krk.hr/files/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • https://www.apartmani-mestrovic-krk.hr/files/free-robux-no-human_GM431946152.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/minecraft-anarchy-server-no-hacks_GM479516143.pdfIn PDF document text
    • https://www.apartmani-mestrovic-krk.hr/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/roblox-code-free-beyblade-burst_GM431946152.pdfIn PDF document text
    • http://apartmani-mestrovic-krk.hr/files/hacks-code-to-run-in-roblox_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F9B 21840 bytes
SHA-256: a685aee8bbe033acf375482e883efe8f1cbf1b2d3b698f9db88dafc3c62c0749
font_01_sfnt_off00005f88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F88 18716 bytes
SHA-256: ae86725dd70d168e8b5a24377d7effb3bd88f81667aa3e091abc0f5759eb354b

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