Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b29a166ac47fcb5…

MALICIOUS

PDF

52.1 KB Created: 2021-05-11 00:39:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c783f579aaccfdd6e038a025579e285a SHA-1: 04ed8ca8814d819086d2f929315dbc543c51c7b2 SHA-256: 6b29a166ac47fcb55ae5b3f96fbc320e5b53864e3d5b4bc006e0e0937051e665
82 Risk Score

Malware Insights

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

The document contains a prominent link to a website offering game hacks, which is a common lure for social engineering attacks. The 'ClickFix' heuristic indicates the document likely instructs the user to execute a command or open a link, further supporting a malicious intent to redirect the user to a potentially harmful site. No scripts were extracted, but the presence of external URIs and the ML classifier's high confidence score suggest a malicious PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8646

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.xyz/app/479516143/how-to-play-minecraft-for-free-game-hack
    • http://www.vetmed.fkh.unair.ac.id/repository/coin-master-hack-link_GM406889139.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/roblox-robux-hack-generator_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/roblox-hack-game_GM431946152.pdf
    • http://vetmed.fkh.unair.ac.id/repository/how-to-get-free-roblox_GM431946152.pdf
    • http://vetmed.fkh.unair.ac.id/repository/free-robux-no-verification-2021_GM431946152.pdf
    • http://vetmed.fkh.unair.ac.id/repository/how-to-get-free-robux-on-ipad_GM431946152.pdf
    • http://vetmed.fkh.unair.ac.id/repository/coin-master-daily-link_GM406889139.pdf
    • http://vetmed.fkh.unair.ac.id/repository/spin-coin-master_GM406889139.pdf
    • http://vetmed.fkh.unair.ac.id/repository/free-robux-working_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/how-to-get-free-cards-for-coin-master_GM406889139.pdf
    • http://vetmed.fkh.unair.ac.id/repository/como-generar-coin-master-free-spins_GM406889139.pdf
    • http://vetmed.fkh.unair.ac.id/repository/coin-master-hack-tool-without-verification_GM406889139.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/coin-master-hack-version-download-ios_GM406889139.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/free-robux-only-username-no-human-verification_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/minecraft-apk-114-4_GM479516143.pdf
    • http://vetmed.fkh.unair.ac.id/repository/free-robux-websites-that-actually-work_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/coin-master-free-cards-2021_GM406889139.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/who-to-get-free-robux_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/huskybuckscom-free-robux_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/blogspot-free-spins-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b90.bin
1f0988e69d13644469b7c507780bb7001a23cf849e793e6f3d854a1754a780f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B90 24060 bytes
font_01_sfnt_off000081c0.bin
218d53b68bdddb064f6fba4be822d5b3725ed1cef1a3b42796a8dd99c4a62f4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81C0 7936 bytes
font_02_sfnt_off00009aea.bin
ab6320ab342704d2c5943abfba82ed4837bf2da871c91621741fd4cfd15c6ed5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9AEA 4232 bytes
font_03_sfnt_off0000a977.bin
30e565cae926cf2505d0f64cbbb860d09a66a84df24e80d913481d9233f56de2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA977 18284 bytes

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