Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ff566c24518b60b…

MALICIOUS

PDF

36.0 KB Created: 2021-05-25 10:14:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: b439f2cf3831ccec3e87a18f86351ed1 SHA-1: 312f35dfc2c3e138cf04e36910262b722600b732 SHA-256: 2ff566c24518b60b4c35a48715b10fd1c28d3a3b156959813c2729a41bf6bbbb
82 Risk Score

Malware Insights

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

The PDF document contains social engineering lures, including a 'CLICK HERE TO ACCESS MINECRAFT GENERATOR' call to action and embedded URLs pointing to sites offering game hacks and cheats. The 'SE_CLICKFIX' heuristic indicates the document likely instructs the user to execute a command, suggesting an attempt to bypass security measures and download a second-stage payload. The ML classifier also flagged the document as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/is-minecraft-free-on-pc-game-hack PDF link annotation
    • http://technologicalsc.com/images/how-to-hack-coin-master-game-ios_GM406889139.pdfIn PDF document text
    • http://technologicalsc.com/images/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
    • http://technologicalsc.com/images/coin-master-hack-apk-online_GM406889139.pdfIn PDF document text
    • http://technologicalsc.com/images/pokemon-go-free-7-day-streak-rewards_GM1094591345.pdfIn PDF document text
    • http://technologicalsc.com/images/coin-master-game-hunters-club_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003338.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3338 25468 bytes
SHA-256: d596c44991b92ce55d6f70ac5b135e3e4f5819c9802a1953f84ac7d8b461f3de
font_01_sfnt_off00006d43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D43 17724 bytes
SHA-256: 0ab36ec9301b9393cdac417675da6d9cb227c8d57ccc288e3f382d638798bb6c

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