Malicious PDF — malware analysis report

Static analysis result for SHA-256 66659fce30c14182…

MALICIOUS

PDF

37.0 KB Created: 2021-05-22 00:34:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: ecec6169c666eea6d6ba290a41486d0e SHA-1: 6270877a8d9bf0e57028997e44832930d6c5991b SHA-256: 66659fce30c141821ca7cda66e45c06ab78d0a3a851e0fed1ff9f9a73a295fe4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple embedded URLs that redirect to websites offering game hacks and generators, a common lure for malicious content. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' specifically flags this behavior. The document body also contains a call to action, 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', further supporting the phishing pretext.

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/free-minecraft-texture-packs-game-hack PDF link annotation
    • http://itbits.ie/images/moonactive-free-spins-link_GM406889139.pdfIn PDF document text
    • http://itbits.ie/images/minecraft-mod-menu-apk_GM479516143.pdfIn PDF document text
    • http://itbits.ie/images/coin-master-hack-tool-v1-9-apk_GM406889139.pdfIn PDF document text
    • http://itbits.ie/images/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • http://itbits.ie/images/free-robux-generator-no-verification-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
stream_002_off000033c0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33C0 26112 bytes
SHA-256: 2b46fdf1b24cf6784841c52f97947a16587f250073e8b489f463c2c9e46edf32
font_01_sfnt_off00006f8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F8B 18240 bytes
SHA-256: f1e7a9ae3acfaa3d56f6a9afcdcc307065316a5e3d8814942fd3993c062bfaf5

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