Malicious PDF — malware analysis report

Static analysis result for SHA-256 927741ddd7321424…

MALICIOUS

PDF

33.0 KB Created: 2021-07-16 06:42:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 77f1d815974b4a522210dd30fd908345 SHA-1: a45f1961262f405682c74deaba7e3c5bd53e311c SHA-256: 927741ddd73214247e5370dc3c9bec880a644cb2f6b605360cad133f12601703
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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 http://netcdn.tw/app/406889139/coin-master-extra-spins-game-hack PDF link annotation
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/free-coin-master-spin-and-coin-link_GM406889139.pdfIn PDF document text
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/coin-master-free-link_GM406889139.pdfIn PDF document text
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/hack-roblox-counter-blox_GM431946152.pdfIn PDF document text
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/free-robux-gen_GM431946152.pdfIn PDF document text
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/free-minecraft-account-and-password_GM479516143.pdfIn PDF document text
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/tiktok-free-view-links_GM835599320.pdfIn PDF document text
    • https://daring.mtsn1lamsel.com/__statics/gudangsoal/files/roblox-robux-hack-pc-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002cb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB7 22808 bytes
SHA-256: 022dc464e0e583eac7db312816823641d3f7ce83f0151b8c7be4186082ed66d3
font_01_sfnt_off00005fc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FC1 17932 bytes
SHA-256: e4978cd717731c86087c350f2d5b7f64f0cbe84d579e2f10df1b5c46c99d20e9

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