Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d357fdd8bcf8339…

MALICIOUS

PDF

43.2 KB Created: 2021-05-10 14:14:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 94ae13cb5456f4a339ccd404ba43a9fb SHA-1: 9f7fc8769a807f29a8e4fa29b721bd20e9db0db8 SHA-256: 9d357fdd8bcf83392f8967935d147e08abd4fa156ad89e80058d5ca061cfed2c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9952

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/406889139/gamehunters-club-coin-master-game-hack PDF link annotation
    • http://www.awakeningtruth.org/images/roblox-robux_GM431946152.pdfIn PDF document text
    • http://awakeningtruth.org/images/free-spins-and-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://awakeningtruth.org/images/how-to-gain-more-spins-on-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/free-free-robux_GM431946152.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://awakeningtruth.org/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://awakeningtruth.org/images/coin-master-hack-apk-latest-version-2021_GM406889139.pdfIn PDF document text
    • http://awakeningtruth.org/images/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/i-want-robux_GM431946152.pdfIn PDF document text
    • http://awakeningtruth.org/images/minecraft-reach-hack_GM479516143.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • http://awakeningtruth.org/images/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://awakeningtruth.org/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/minecraft-java-edition-code-free_GM479516143.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_003_off00004282.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4282 25076 bytes
SHA-256: ac1b98cb47a437cd76823cad638d74c8aa6e1a46cde86763f02cb5efd43a1d1f
font_01_sfnt_off00007cae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CAE 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00008699.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8699 18344 bytes
SHA-256: b88ceadbe0b6d1d65a470e0e680a5efbdbd0168571786ac3707ef7c7d11d99d3

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