Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e7692b83a5d7dfc…

MALICIOUS

PDF

43.2 KB Created: 2021-05-17 07:06:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: aa4ae8ac1022a669382326c44010c14e SHA-1: d55608ffb5b989dda0b2f2832de4029204b0663d SHA-256: 0e7692b83a5d7dfc58278067ae75cbe5fcfff35746107c1dcc14fa6b1ed64af2
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure for a game hack, directing users to a suspicious URL. The ML classifier strongly flagged this PDF as malicious. Although no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to redirect users to a site that likely hosts further malicious content or exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/406889139/haktuts-coin-master-hack-game-hack PDF link annotation
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/coin-master-hack-100-working_GM406889139.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/robux-gainer_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/coin-master-real-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/free-robux-pin-codes_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/how-to-get-free-clothes-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/how-to-get-unlimited-robux_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/free-spins-and-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/coin-master-hack-that-actually-works_GM406889139.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/coin-and-spin_GM406889139.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/coin-master-com_GM406889139.pdfIn PDF document text
    • https://elearning.masirsyad.sch.id/__statics/gudangsoal/files/games-on-roblox-that-give-you-free-robux_GM431946152.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_003_off00004e45.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E45 25256 bytes
SHA-256: 88c2d21fceefece6cd858e67d8dda3601f1d8e15f2aee8e7b38d8c7d145771a8
font_01_sfnt_off000087e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87E7 17856 bytes
SHA-256: 9d532db5ca49de3fb30c806d155421febeb55a7b3dfa841ae7df44a022e8d237

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