Malicious PDF — malware analysis report

Static analysis result for SHA-256 db7c987ed01d8bca…

MALICIOUS

PDF

36.4 KB Created: 2021-05-23 20:36:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 177037d6e9220920ba5987aa6dfaf2f0 SHA-1: 789c5ea81f0cb24d66cf7bae1f6662c7d54c55cb SHA-256: db7c987ed01d8bca14d9aeb515e9c8d3ec02110279cfb1d1256c7ac11c598804
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 call-to-action to 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', which is a common lure for scams. The heuristic 'SE_CLICKFIX' indicates the document likely instructs the user to execute a command, further supporting a social engineering attack. The ML classifier also flagged the PDF as malicious with high confidence.

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/can-you-make-a-minecraft-server-for-free-game-hack
    • http://dana1157.com/images/free-robux-survey_GM431946152.pdf
    • http://dana1157.com/images/coin-master-hack-apk-download-for-android_GM406889139.pdf
    • http://dana1157.com/images/free-tiktok-followers-app_GM835599320.pdf
    • http://dana1157.com/images/free-ways-to-get-robux_GM431946152.pdf
    • http://dana1157.com/images/coin-master-free-spins-link-today-facebook_GM406889139.pdf
    • https://www.yout
    • https://code.giftcards.com
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003388.bin
41b3c156957d892dbb71c351d73d7b7dd7c4e78c070f3681ab434d01da705d55		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3388 25448 bytes
font_01_sfnt_off00006d08.bin
7b2a5025a6b2eafbb08597cb19c0e2dd24287b9ce61b32a45f1f6eb7f3859dea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D08 18296 bytes

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