Malicious PDF — malware analysis report

Static analysis result for SHA-256 c4c65e3e02806543…

MALICIOUS

PDF

35.5 KB Created: 2021-07-19 00:13:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 96c41bd938963da22b46b06f82391dd5 SHA-1: 59415c6e376fb6f74d80f641a827084eba46e73a SHA-256: c4c65e3e02806543274874f41bb9f8c9d68f262146ed52fa2e4c244dd1524559
82 Risk Score

Malware Insights

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

The PDF document contains multiple links disguised as game hacks and generators, specifically for Minecraft. The primary link, http://netcdn.tw/app/479516143/minecraft-java-edition-download-free-game-hack, is flagged as a high-risk lure. The document body also contains a call-to-action phrase, 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', further reinforcing the deceptive nature of the lure. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7230

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/479516143/minecraft-java-edition-download-free-game-hack PDF link annotation
    • http://svp-steinmaur.ch/images/minecraft-pocket-edition-free_GM479516143.pdfIn PDF document text
    • http://svp-steinmaur.ch/images/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://svp-steinmaur.ch/images/free-tiktok-likes-and-followers_GM835599320.pdfIn PDF document text
    • http://svp-steinmaur.ch/images/robux-hack_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002aa2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA2 22956 bytes
SHA-256: 05776a619bc936dbc35b31a12c678c5a3c74172476e191d49d2bb88897d9b3aa
font_01_sfnt_off00005e11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E11 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00006820.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6820 18572 bytes
SHA-256: b44bcce2d8515c0d099a66814c088ed689798a3dbc3c1364cf14b7c888151b67

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