Malicious PDF — malware analysis report

Static analysis result for SHA-256 646b27a535f61e85…

MALICIOUS

PDF

43.8 KB Created: 2021-06-03 08:07:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: a9ade06f1fb769949869a812fc740cc7 SHA-1: aad29eb94c137f38ad1391719308ee1ba10a13aa SHA-256: 646b27a535f61e859a0e7d71b35125379b1552e07749cc32747427f63dc9de79
82 Risk Score

Malware Insights

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

The PDF contains a lure for a fake game hack, directing users to a malicious URL. The 'ClickFix' heuristic indicates the document likely instructs the user to manually execute a command, bypassing macro restrictions. The embedded URL and the nature of the lure suggest a social engineering attack aimed at tricking users into downloading potentially unwanted or malicious software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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.online/app/479516143/minecraft-pc-free-game-hack
    • http://lib3tell.stptrisakti.net//repository/free-robux-human-verification_GM431946152.pdf
    • http://lib3tell.stptrisakti.net//repository/coin-master-hack-account_GM406889139.pdf
    • http://lib3tell.stptrisakti.net/repository/coin-master-free-spin-software_GM406889139.pdf
    • http://lib3tell.stptrisakti.net/repository/spin-link-coin-master_GM406889139.pdf
    • http://lib3tell.stptrisakti.net/repository/coinmaster-spin-ml-link_GM406889139.pdf
    • http://lib3tell.stptrisakti.net//repository/free-robux-2021_GM431946152.pdf
    • http://lib3tell.stptrisakti.net//repository/coin-master-heaven-free-spins-today_GM406889139.pdf
    • http://lib3tell.stptrisakti.net/repository/minecraft-pocket-edition-apk-free-download_GM479516143.pdf
    • http://lib3tell.stptrisakti.net//repository/free-robux-without-survey_GM431946152.pdf
    • http://lib3tell.stptrisakti.net/repository/instant-free-spins-coin-master_GM406889139.pdf
    • http://lib3tell.stptrisakti.net/repository/free-roblox-adopt-me-pets_GM431946152.pdf
    • http://lib3tell.stptrisakti.net/repository/coin-master-online-hack-download_GM406889139.pdf
    • http://lib3tell.stptrisakti.net/repository/tiktok-free-comments_GM835599320.pdf
    • http://lib3tell.stptrisakti.net//repository/tiktok-free-generator_GM835599320.pdf
    • http://lib3tell.stptrisakti.net/repository/minecraft-free-download-ios_GM479516143.pdf
    • http://lib3tell.stptrisakti.net/repository/coin-master-hack-without-verification-2021_GM406889139.pdf
    • http://lib3tell.stptrisakti.net/repository/minecraft-images-free_GM479516143.pdf
    • http://lib3tell.stptrisakti.net/repository/coin-master-heaven-links_GM406889139.pdf
    • http://lib3tell.stptrisakti.net//repository/can-you-give-me-free-robux_GM431946152.pdf
    • http://lib3tell.stptrisakti.net/repository/free-robux-pastebin_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005164.bin
df6669f0cbd7829bb7e608f1fd973e653b0484dbea8569a09c7f9fe34628e6be		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5164 25156 bytes
font_01_sfnt_off00008a56.bin
f623db3d5896acbfca75c1fa71b49e9ae1d6d1c000a87567f3c2fb9ea3a364ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A56 17724 bytes

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