Malicious PDF — malware analysis report

Static analysis result for SHA-256 2840788149099085…

MALICIOUS

PDF

31.6 KB Created: 2021-07-20 04:00:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 4eccf5f4a6f3478c0627da5c55d77c5d SHA-1: 0c1d10c11134f074efa208e0a369adb4ddfce71d SHA-256: 28407881490990850d1b2de90b26dbc7414fb4c6b8638cafd70167bb56a33788
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to external websites, with a primary focus on 'free generators' and 'game hacks' for popular games like Minecraft and Robux. The document body explicitly contains the URL 'http://netcdn.tw/app/479516143/free-online-minecraft-server-game-hack' and a call to action 'CLICK HERE TO ACCESS MINECRAFT GENERATOR'. The presence of numerous similar URLs suggests a phishing or scam campaign aimed at tricking users into visiting potentially malicious sites. No scripts were extracted from this sample.

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/479516143/free-online-minecraft-server-game-hack PDF link annotation
    • http://lepatrimoinedesvallees.fr/images/free-robux-scams_GM431946152.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/free-robux-no-download_GM431946152.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://lepatrimoinedesvallees.fr/images/free-tiktok-accounts_GM835599320.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_off000029b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29B7 22312 bytes
SHA-256: 2721d3e0a19ecedff2b25922e1a9dd4b51239f4eb8a84674e3cfbd7a3d3a4edb
font_01_sfnt_off00005b15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B15 17756 bytes
SHA-256: 14377ac3d18db81ff7447bb693ccee55c7f80471e2aeaf98ca779f1b2357c71e

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