Malicious PDF — malware analysis report

Static analysis result for SHA-256 f62ee3c863761a39…

MALICIOUS

PDF

43.0 KB Created: 2021-05-14 03:33:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 82c6d1a8378532e909f1018dae3a8e58 SHA-1: 662cb4da835e55ba0fe437d3b016994ea0adda02 SHA-256: f62ee3c863761a39f91e8f46c75fb5fb969c1a5e340c46e10fbcd6776bbf9da5
62 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs and a document body that attempts to lure the user into clicking links for free in-game currency or hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs, including one pointing to a raw IP address, indicates a high likelihood of the user being directed to a malicious download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/new-free-spins-coin-master-game-hack
    • http://103.30.145.97/__statics/gudangsoal/files/robux-claimer_GM431946152.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/coin-master-free-spins-save_GM406889139.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/coin-master-hack-spin-generator-tool_GM406889139.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/free-robux-websites-no-human-verification_GM431946152.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/oprewards-com-earn_GM431946152.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/free-minecraft-education-edition_GM479516143.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/free-coins-for-coin-master_GM406889139.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/free-robux-place_GM431946152.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/mcpe-master-hack-coin-apk_GM406889139.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/coin-master-hack-dot-xyz_GM406889139.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/free-robux-2021-no-verification_GM431946152.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/free-robux-games-that-actually-work_GM431946152.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/links-for-coin-master-free-spins_GM406889139.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/free-unlimited-coins-for-coin-master_GM406889139.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/was-minecraft-ever-free_GM479516143.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/roblox-fly-hack_GM431946152.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/free-coin-master-spins-link-facebook_GM406889139.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/how-do-you-get-free-roblox-money_GM431946152.pdf
    • http://103.30.145.97/__statics/gudangsoal/files/link-for-free-coins-in-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004bd0.bin
7651a5e39c8b78a74fe6b00a7b3a9369a69bd74d976c65e65361772c2e6aae97
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BD0 25476 bytes
font_01_sfnt_off00008664.bin
f6ae81a0f80ce3ee57e108e39e83609ad458bab121923b9094461962bc480278
pdf-font-stream PDF embedded font (sfnt) at offset 0x8664 18052 bytes