Malicious PDF — malware analysis report

Static analysis result for SHA-256 eea3a699d9c2c321…

MALICIOUS

PDF

43.2 KB Created: 2021-05-15 04:26:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 3a3f75585170065986ca3257125d98af SHA-1: 7ccc2634c3da703fd80a513b7b826c57466690de SHA-256: eea3a699d9c2c32105c7dc5bba698d61011dcbe554b52887f1babef022a9f8e6
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, identified as a link farm, pointing to sites offering game cheats and currency. The primary URL, https://netcdn.xyz/app/431946152/grab-points-login-game-hack, suggests a lure for game-related exploits. The presence of a visual download button further supports a malicious workflow, likely leading to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/431946152/grab-points-login-game-hack
    • http://auto-mankel.de/images/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdf
    • http://auto-mankel.de/images/coinmaster-com_GM406889139.pdf
    • http://auto-mankel.de/images/free-robux-websites-that-work_GM431946152.pdf
    • http://auto-mankel.de/images/ways-to-get-free-robux_GM431946152.pdf
    • http://auto-mankel.de/images/114-hacks_GM479516143.pdf
    • http://auto-mankel.de/images/how-to-get-free-robux-2021-easy_GM431946152.pdf
    • http://auto-mankel.de/images/instant-free-spins-coin-master_GM406889139.pdf
    • http://auto-mankel.de/images/claimrbx-free-robux_GM431946152.pdf
    • http://auto-mankel.de/images/how-to-get-free-robux-2021_GM431946152.pdf
    • http://auto-mankel.de/images/minecraft-games-online-free-no-download_GM479516143.pdf
    • http://auto-mankel.de/images/haktuts-coin-master-free-spin-link-today_GM406889139.pdf
    • http://auto-mankel.de/images/coin-master-hack-without-human-verification-2021_GM406889139.pdf
    • http://auto-mankel.de/images/how-to-get-minecraft-windows-10-for-free-with-java_GM479516143.pdf
    • http://auto-mankel.de/images/minecraft-for-laptop-free_GM479516143.pdf
    • http://auto-mankel.de/images/free-spins-and-coins-coin-master_GM406889139.pdf
    • http://auto-mankel.de/images/earn-free-robux_GM431946152.pdf
    • http://auto-mankel.de/images/free-spin-coin-master-iphone_GM406889139.pdf
    • http://auto-mankel.de/images/coin-master-apk-mod_GM406889139.pdf
    • http://auto-mankel.de/images/free-coin-and-spin-in-coin-master_GM406889139.pdf
    • http://auto-mankel.de/images/hack-coin-master-mod-apk_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004925.bin
88010d23ed614e981ab3509794158397f87d34bf43cf586462c0a29aaf3604fb		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4925 26260 bytes
font_01_sfnt_off0000862c.bin
fc3b6864308346bb667edf65a60750cf482e642961677f682e1928b6bbdda02f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x862C 18392 bytes

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