Malicious PDF — malware analysis report

Static analysis result for SHA-256 49fd104daaa4e085…

MALICIOUS

PDF

42.6 KB Created: 2021-05-14 08:13:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: bdc8bb322f94e6da4b7d7d535e950eb4 SHA-1: 01627a3a345e9e9b0e217fe97dfe0ddc68568951 SHA-256: 49fd104daaa4e085009596eefbbf9fc14efab21069a6a546957583e22cd28f27
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple heuristics indicating it is malicious, specifically linking to game hack lures. The primary URL, https://netcdn.xyz/app/406889139/hacks-para-coin-master-game-hack, is presented as a 'free generator / game hack'. This suggests the document's purpose is to trick users into visiting potentially malicious sites that could lead to malware downloads or phishing. No scripts were extracted, but the embedded URLs are strong indicators of a malicious redirection campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/hacks-para-coin-master-game-hack PDF link annotation
    • http://solidkom.ch/images/mcpe-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/free-spins-on-coin-master-2021-ios_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-daily-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-golden-card-hack_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/free-robux-script_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://solidkom.ch/images/free-robux-now_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdfIn PDF document text
    • http://solidkom.ch/images/ww-roblox-come_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/roblox-hack-tool_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-hack-review_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-70-spin-link-2021_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/easy-robux-com_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/minecraft-free-games-no-download_GM479516143.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-real-hack_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_003_off00004940.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4940 25760 bytes
SHA-256: 92ea2d3b7efbb31b87c1d96ad9aeac78f412064cd7f660a31326fd46ae9ec99e
font_01_sfnt_off00008544.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8544 17868 bytes
SHA-256: 72462ec470aac4fa181dd5dd3dba0b6a011fc2cd97c76089cd2cdb7ed4381752

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