Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb9547df5867de80…

MALICIOUS

PDF

36.5 KB Created: 2021-05-25 00:05:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: e0253c663a26700b87e301a0ddca1abe SHA-1: c4fbe5cc27f22f430c941e9db6d5a53aa55e6aa4 SHA-256: eb9547df5867de80e4528266389a1b5e4c1520e7ace8be81bc4c0525bd68cc14
82 Risk Score

Malware Insights

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

The PDF contains multiple links to websites offering game hacks and generators, with one prominent link directly related to 'minecraft-pe-free-download'. The document body also contains phrases like 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', indicating a lure to a potentially malicious site. The ML classifier also flagged this PDF as malicious.

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/minecraft-pe-free-download-ios-no-jailbreak-game-hack PDF link annotation
    • https://ogm-goettingen.de/images/coin-master-hack-spins-apk-download_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/easy-ways-to-get-free-robux_GM431946152.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
stream_002_off00003304.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3304 24720 bytes
SHA-256: 2dceae478a0c705f0d0a5bda89d32eb5f80be7a3b7d4beaa220e6ec1de23a37e
font_01_sfnt_off00006b4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B4B 18940 bytes
SHA-256: 384c56943b2f0ce7dd032d42d48bdddf0ac3b313714fbbfa672311f45c441041

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