Malicious PDF — malware analysis report

Static analysis result for SHA-256 7da6eb825a4da252…

MALICIOUS

PDF

44.2 KB Created: 2021-05-16 09:14:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 7950d3f341bda9646db8b040c2633519 SHA-1: 27e20f61a72cc3219849f1e9814b2a645d382ffa SHA-256: 7da6eb825a4da2524143b79977995150c4ad5052db0a1d10cec16fb51853b123
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to "game hack" generators, a common lure for distributing malware or engaging in scams. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded URIs strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/coin-master-app-game-hack PDF link annotation
    • http://solidkom.ch/images/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-money-hack_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-hack-cheat-engine_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/oprewards-com-login_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/minecraft-launcher-download-free_GM479516143.pdfIn PDF document text
    • http://solidkom.ch/images/minecraft-hacks-wurst_GM479516143.pdfIn PDF document text
    • http://solidkom.ch/images/minecraft-esp_GM479516143.pdfIn PDF document text
    • http://solidkom.ch/images/ww-roblox-come_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/free-robux-now_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/redeem-roblox-card-free_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-unlimited-spin-hack-mod-apk_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/free-robux-legit_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/mcpe-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/roblox-points_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://solidkom.ch/images/get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://solidkom.ch/images/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
    • http://solidkom.ch/images/coin-master-100-spin_GM406889139.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004898.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4898 25348 bytes
SHA-256: 95fc7771a8ae3a1c82e4bb2d4fcf0cd90034ca6e9c3671d21b7f90b494534cfd
font_01_sfnt_off000081d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81D2 2896 bytes
SHA-256: c1a618813a64314343402b2ec738fc11c4c912460a4c7ae3029924d2f9a229cd
font_02_sfnt_off00008bb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BB7 17724 bytes
SHA-256: 339b5b6fe59ead3b36abdaa7c47f6a088c65e9e818337b9290cb92488f21cdbf

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