Malicious PDF — malware analysis report

Static analysis result for SHA-256 b53719162e3c49b1…

MALICIOUS

PDF

37.8 KB Created: 2021-05-21 08:46:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 49e276f56dba20fa20443650e9654586 SHA-1: 6e8240197870372e2f7634cffdc23789c19806b5 SHA-256: b53719162e3c49b1a39d3e4ee22b557b9a55a2d1ee96e0ab5d3ea5db7b61a5d7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that masquerade as free game hacks or generators, aiming to trick users into clicking them. The primary lure URL, 'https://netcdn.xyz/app/479516143/play-minecraft-for-free-on-pc-game-hack', is associated with a high-severity heuristic indicating a game hack redirect lure. The document body also contains a call-to-action phrase, reinforcing the deceptive nature of the content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/play-minecraft-for-free-on-pc-game-hack PDF link annotation
    • http://reggieslockandkey.com/images/play-coin-master-online-free_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/robux-free-promo-codes_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-minecraft-server-hosting-24-7_GM479516143.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
stream_002_off000030ce.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x30CE 29028 bytes
SHA-256: 63bc06ea01b696ffc97a3c31cd14e28f488193cbfb267c21da787e15da6c575e
font_01_sfnt_off00007310.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7310 18116 bytes
SHA-256: 0a2b20ee34ef8ab862f65f7214c777895bcb00ebb57d072309a29ba65f102540

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