Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d82c35ec6a07ebc…

MALICIOUS

PDF

39.0 KB Created: 2021-05-22 19:40:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 2c339c9d71c01873e4221e26123505c9 SHA-1: b661a4679d1dc6616f6524f14470f3d505cf748c SHA-256: 7d82c35ec6a07ebcab38c928345a68e74943fe0a2569095d04b7003994574e2e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks, specifically directing users to a URL that promises a Minecraft hack generator. This URL, along with several others found within the document body, likely leads to malicious content or further infection vectors. The ML classifier also flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/minecraft-hacks-wurst-game-hack PDF link annotation
    • http://samarpartners.com/new/public/ckfinder/userfiles/files/mcpe-master-hack-unlimited-coins-apk_GM406889139.pdfIn PDF document text
    • http://samarpartners.com/new/public/ckfinder/userfiles/files/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
    • http://samarpartners.com/new/public/ckfinder/userfiles/files/how-to-get-more-spins-on-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://samarpartners.com/new/public/ckfinder/userfiles/files/free-roblox-hack_GM431946152.pdfIn PDF document text
    • http://samarpartners.com/new/public/ckfinder/userfiles/files/free-promo-codes-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000035b6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x35B6 24388 bytes
SHA-256: 20deda066b65963147fe97d8150a2ad10c56d45f88922030fe25f57e64a2b468
font_01_sfnt_off00006d09.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D09 3092 bytes
SHA-256: 3811f2fb1880daf4953efcc9c7427d9b438bced237490b00be4a6ec3ecea79e0
font_02_sfnt_off000077b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77B3 18076 bytes
SHA-256: 3e7497e6bc4bf84e5186ee2c608eda5b15e7e8e7c6854cdd6eb66a0ec10d8832

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