Malicious PDF — malware analysis report

Static analysis result for SHA-256 65fc287f4d10aaaf…

MALICIOUS

PDF

39.0 KB Created: 2021-05-23 04:34:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 634cfa5ae5272e4263225d757d90b84a SHA-1: 55aa07de03d928ed8426f3b81d058426b4025b52 SHA-256: 65fc287f4d10aaafd1466d3e1cba11757460f14aa48e3791fec5ac2aa6bcf580
82 Risk Score

Malware Insights

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

The PDF document contains social engineering lures, specifically instructing the user to click a link or execute a command, consistent with ClickFix attacks. The embedded URLs and document body text suggest a lure related to game hacks, likely leading to a second-stage download. No scripts were extracted, but the presence of external URLs and the 'ClickFix' heuristic strongly indicate a malicious intent to redirect the user to a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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/was-minecraft-ever-free-game-hack
    • http://umksn.pl/images/pokemon-go-free-hack-apk_GM1094591345.pdf
    • http://umksn.pl/images/roblox-admin-hack_GM431946152.pdf
    • http://umksn.pl/images/get-free-spins-on-coin-master_GM406889139.pdf
    • http://umksn.pl/images/roblox-games-with-free-radio_GM431946152.pdf
    • http://umksn.pl/images/xray-hack_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000359a.bin
dabe9ec382cd403c490b7782554809367673eec02963e1601e1876b40651222d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x359A 24796 bytes
font_01_sfnt_off00006d57.bin
3811f2fb1880daf4953efcc9c7427d9b438bced237490b00be4a6ec3ecea79e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D57 3092 bytes
font_02_sfnt_off00007801.bin
fa9564ce5793f03604dae66ea4261aaef87f9e1e7420b634dd5196a1b51aa919		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7801 17880 bytes

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