Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d1a4a7e91c2c873…

MALICIOUS

PDF

44.3 KB Created: 2021-05-18 03:40:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 40f51de35a5310ffab994f5fc041a30e SHA-1: 70b0ab013d6c0c249685b003184858b0459c18c8 SHA-256: 6d1a4a7e91c2c87346bcffd018b74c58b4f90416be82b820e8b42d67e9fca23a
82 Risk Score

Malware Insights

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

The document's content and heuristics indicate a social engineering attempt. It displays a fake CAPTCHA to lure the user into clicking a malicious link, which is a common tactic for distributing malware. The embedded URLs suggest a focus on game-related cheats or hacks, likely as a pretext for the malicious download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/406889139/coin-master-fun-hack-game-hack
    • http://bogatyr.com/images/free-robux-with-no-verification_GM431946152.pdf
    • http://bogatyr.com/images/freerubux_GM431946152.pdf
    • http://bogatyr.com/images/coin-master-free-spins_GM406889139.pdf
    • http://bogatyr.com/images/how-to-get-free-robux-for-free_GM431946152.pdf
    • http://bogatyr.com/images/can-you-get-minecraft-for-free_GM479516143.pdf
    • http://bogatyr.com/images/minecraft-hacked-client_GM479516143.pdf
    • http://bogatyr.com/images/coin-master-free-link_GM406889139.pdf
    • http://bogatyr.com/images/coin-master-free-spins-2021-hack_GM406889139.pdf
    • http://bogatyr.com/images/coin-master-cards-free-cards_GM406889139.pdf
    • http://bogatyr.com/images/coin-master-hack-no-human-verification-2021_GM406889139.pdf
    • http://bogatyr.com/images/free-robux-generator-for-kids_GM431946152.pdf
    • http://bogatyr.com/images/coin-master-free-spins-link-2021_GM406889139.pdf
    • http://bogatyr.com/images/hack-coin-master-xyz_GM406889139.pdf
    • http://bogatyr.com/images/free-account-roblox-with-robux_GM431946152.pdf
    • http://bogatyr.com/images/how-can-you-get-free-robux_GM431946152.pdf
    • http://bogatyr.com/images/roblox-hack-2021_GM431946152.pdf
    • http://bogatyr.com/images/free-star-codes-roblox_GM431946152.pdf
    • http://bogatyr.com/images/roblox-hack-download_GM431946152.pdf
    • http://bogatyr.com/images/free-robux-hack-no-verification_GM431946152.pdf
    • http://bogatyr.com/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004696.bin
4c4cef83a749bfe2dc9757647a98710358b80ac3166fc1f95784d7d52ef07099		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4696 25252 bytes
font_01_sfnt_off00008171.bin
10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8171 2880 bytes
font_02_sfnt_off00008b5c.bin
fc50c95c6124226f0e04eb366e05f521741bbfbc224416fc341995a3278920d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B5C 18020 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.