Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0f6801a41be2b7c…

MALICIOUS

PDF

37.9 KB Created: 2021-05-21 12:08:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 984c851b2f751cd5904ac4e8794b143a SHA-1: cee13a6586860749bddec2e454e674c80cf73fd9 SHA-256: a0f6801a41be2b7c02208e676077e14db0d0dce9d1acd16d32685d9b004a1ad5
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to websites offering "free generators" or "game hacks" for popular games. The document body explicitly mentions "How To Get Minecoins In Minecraft For Free" and includes a "CLICK HERE TO ACCESS MINECRAFT GENERATOR" call to action, strongly suggesting a phishing or scam attempt. The presence of external URI heuristics and the ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7010

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-get-minecoins-in-minecraft-for-free-game-hack PDF link annotation
    • https://www.littlerockholidayresort.co.za/images/generator-robux_GM431946152.pdfIn PDF document text
    • https://www.littlerockholidayresort.co.za/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.littlerockholidayresort.co.za/images/coin-master-free-spins-link-no-verification-2021_GM406889139.pdfIn PDF document text
    • https://www.littlerockholidayresort.co.za/images/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000032ce.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32CE 24400 bytes
SHA-256: a11dacb5efb0a9894d7a70607f2a05029d48091ea34b609f7e740ffb343dd7cd
font_01_sfnt_off000069ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69CA 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off000073d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73D9 17872 bytes
SHA-256: d23bbe04ef3196a5fa54f397c57d78b821aa47262b4b410e5e0dbd5db48197bd

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