Malicious PDF — malware analysis report

Static analysis result for SHA-256 db6f42740cd389ec…

MALICIOUS

PDF

45.2 KB Created: 2021-06-03 08:59:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 555b8f4fb619c6e312a609e888898339 SHA-1: c326293c263b1beac3e16e7e3fe0eaec690cdad3 SHA-256: db6f42740cd389ec35e9201a85a76018253978bb7e3b9e3fcabf676a3433a60c
62 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a primary external URI pointing to a site offering game hacks. The presence of a "download button" heuristic and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading further malware. The document body, though partially corrupted, contains text related to game hacks and includes the primary malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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.online/app/406889139/free-spins-on-coin-master-hack-game-hack
    • http://vetmed.fkh.unair.ac.id/repository/cheat-engine-roblox-survive-the-disasters_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/rbxoffer-com-free-robux_GM431946152.pdf
    • http://vetmed.fkh.unair.ac.id/repository/play-minecraft-for-free_GM479516143.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/best-way-to-get-free-robux_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/free-spin-coin-master-twitter_GM406889139.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/coin-master-free-coin-hack_GM406889139.pdf
    • http://vetmed.fkh.unair.ac.id/repository/coin-master-free-spin-link-app_GM406889139.pdf
    • http://vetmed.fkh.unair.ac.id/repository/minecraft-education-edition-free_GM479516143.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/free-cracked-minecraft-server-hosting_GM479516143.pdf
    • http://vetmed.fkh.unair.ac.id/repository/free-robux-no-human-verification-2021_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/how-to-get-minecraft-for-free-on-ps4-2021_GM479516143.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/haktutsin-2021-09-coinmaster50freespinandcoinlinkhtml-m-1_GM406889139.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/robuxmatch-com-free-robux_GM431946152.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/free-minecraft-pe-server_GM479516143.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/free-spins-coin-master-2021_GM406889139.pdf
    • http://vetmed.fkh.unair.ac.id/repository/coin-master-hack-activegamer_GM406889139.pdf
    • http://vetmed.fkh.unair.ac.id/repository/websites-that-give-free-robux_GM431946152.pdf
    • http://vetmed.fkh.unair.ac.id/repository/roblox-robux-generator-2021_GM431946152.pdf
    • http://vetmed.fkh.unair.ac.id/repository/coin-master-hack-download_GM406889139.pdf
    • http://www.vetmed.fkh.unair.ac.id/repository/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000055b3.bin
92ccb896adda1b6cfc303d5f35bc46dd7bbc420182e24387068640e2ddf1d2c9		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x55B3 24916 bytes
font_01_sfnt_off00008f1e.bin
1ec632e038d0c04011fe278bb525ef2e6f04a80dea9ba5596062fb9c77cb7c11		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F1E 18056 bytes

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