Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e3996b6fc2abc0c…

MALICIOUS

PDF

43.5 KB Created: 2021-05-20 01:10:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 98fbb61c2cdf76159008d88d98e028d3 SHA-1: 91cdb39df591965465625f8de31dde3664c8445c SHA-256: 1e3996b6fc2abc0c2750f59665e83bfdec18f90a4508e3e2525b83b7f1495ac2
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs that lead to pages offering "hacks" or "free items" for popular games, indicating a lure for downloading potentially malicious files. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to trick users into executing harmful content. The presence of a download button lure and callback phishing indicators further reinforces the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/835599320/views-for-tiktok-free-game-hack
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/classic-minecraft-net-hacks_GM479516143.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-2021-today_GM406889139.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/coin-master-card-hack-apk_GM406889139.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/roblox-hack-codes_GM431946152.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/free-robux-download_GM431946152.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/free-robux-card-codes_GM431946152.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/free-robux-generator-no-verification-2021_GM431946152.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/no-verification-coin-master-hack_GM406889139.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/free-spins-coin-master-hack_GM406889139.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/coin-master-free-link-today_GM406889139.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/is-roblox-hacked_GM431946152.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/free-roblox-generator_GM431946152.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/village-3-coin-master_GM406889139.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/coin-master-free-snacks-link_GM406889139.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/roblox-apocalypse-rising-hack_GM431946152.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/http-bitly-coin-master-free-2021-spins_GM406889139.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/coin-master-free-spins-daily-2021_GM406889139.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-for-real_GM431946152.pdf
    • https://elearning.manicp.sch.id/__statics/gudangsoal/files/minecraft-mod-menu_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004769.bin
f2383719fec94a32bd74b7748656c397ffb4237c53359cea427ed2106c434ff1		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4769 24268 bytes
font_01_sfnt_off00007f05.bin
c1a618813a64314343402b2ec738fc11c4c912460a4c7ae3029924d2f9a229cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F05 2896 bytes
font_02_sfnt_off000088ea.bin
edb9b4c6760f831fe362dbf6e910d03b1344eaf09f3d994fcee8e0ce9a797585		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88EA 17752 bytes

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