Malicious PDF — malware analysis report

Static analysis result for SHA-256 885f490b7f35e6c8…

MALICIOUS

PDF

36.1 KB Created: 2021-05-22 06:53:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 9697479bf53f478328cca02e70cae9ef SHA-1: 521127fcacdb19abb72c54775895a778546fd63d SHA-256: 885f490b7f35e6c8d9de9c54cb833fd22a9481296e113123e3775c765f9be996
82 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'how to hack Minecraft' and includes a prominent call to action to download a generator. This is a common social engineering tactic to trick users into downloading malicious files. The document links to several URLs that appear to be related to game hacks or cheats, suggesting a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/how-to-hack-minecraft-game-hack PDF link annotation
    • http://www.mieczewo.com/images/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • http://www.mieczewo.com/images/can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.mieczewo.com/images/free-private-server-roblox_GM431946152.pdfIn PDF document text
    • http://www.mieczewo.com/images/coin-master-hack-2021-android_GM406889139.pdfIn PDF document text
    • http://www.mieczewo.com/images/coin-master-daily-free-spins-today_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34B6 24936 bytes
SHA-256: 30cbcf23790c9338c72e1ae9b2a1b9c89cbc198948492f23702aa600075e9752
font_01_sfnt_off00006cb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB3 18044 bytes
SHA-256: ee12250b32ae9257b8264adf9c9bd9c6b89cbb94dc70a51b2b21ac09721525f2

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