Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fe537ea5e3eb7aa…

MALICIOUS

PDF

37.9 KB Created: 2021-05-21 16:31:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 362fcf3146f986d1ba7620c57ac034c6 SHA-1: 1fe8424f35de330f7311dc998dd70731bdc745b0 SHA-256: 1fe537ea5e3eb7aa11747f63f4ff9856e2abbeb62cb40c704e1d4565a718a907
82 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a prominent external URI pointing to game-related download sites, suggesting a lure for free game cheats or hacks. The 'SE_CLICKFIX' heuristic indicates the document likely instructs the user to execute a command, a common tactic in social engineering attacks to bypass security measures and download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9407

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/can-i-download-minecraft-for-free-game-hack
    • https://proviant.kz/images/robux-com-free-robux_GM431946152.pdf
    • https://proviant.kz/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
    • https://proviant.kz/images/how-to-get-minecraft-bedrock-for-free-with-java_GM479516143.pdf
    • https://proviant.kz/images/free-spins-coin-master-2021_GM406889139.pdf
    • https://proviant.kz/images/coin-master-free-spins-and-coins-2021_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035b5.bin
aa0a5eba0bbc02f3344dfba819e8f5eca4487714be1e165ab38f855bc3d83b8c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35B5 28180 bytes
font_01_sfnt_off00007324.bin
0c6b6f70db09f0b4db7fba2a2884c5f52224e4e70f7f4d7105e223bf7e2289b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7324 18292 bytes

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