Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3ba3ede90627345…

MALICIOUS

PDF

38.8 KB Created: 2021-05-21 08:18:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 9569096505cd6e63f038e64276d892d9 SHA-1: 5a29f8ad37568b371732ceadeab9786ce724960c SHA-256: c3ba3ede906273453569eb6c3d6ef66187475cea6454863f784749359c6d1780
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains multiple external links disguised as a lure for a Minecraft hack client. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' and the presence of numerous related URLs strongly suggest a phishing or malware distribution attempt. Although no scripts were directly extracted, the PDF structure and embedded links are indicative of a malicious workflow designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8060

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-hack-client-2021-game-hack PDF link annotation
    • http://halle-wasserball.de/images/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
    • http://halle-wasserball.de/images/coin-master-fan_GM406889139.pdfIn PDF document text
    • http://halle-wasserball.de/images/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://halle-wasserball.de/images/hack-version-coin-master-apk_GM406889139.pdfIn PDF document text
    • http://halle-wasserball.de/images/spin-coin-master-free_GM406889139.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
stream_002_off000032f0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32F0 25036 bytes
SHA-256: d357d3668e0422ff1a398276922ed78df71dd1c3f8c1cdb5b6c8d8802e47f54b
font_01_sfnt_off00006c7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C7F 2820 bytes
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689
font_02_sfnt_off00007620.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7620 18368 bytes
SHA-256: 05934acc4f9034a42dafc019d556c1d73e3fafdeacb08f6b818498f717883fbf

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