Malicious PDF — malware analysis report

Static analysis result for SHA-256 800d2ab6ab8623a7…

MALICIOUS

PDF

43.0 KB Created: 2021-06-03 22:37:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04
MD5: eba7aafc34cb8bbd99971cabf38bc1ce SHA-1: 4aae4cc4ad25997c318012af373b7ab4b63caaee SHA-256: 800d2ab6ab8623a7e80f870cd5da864431bd86d8f739ca89223455cc7b854b56
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 0.9874

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.online/app/406889139/coin-master-card-link-free-game-hack PDF link annotation
    • https://digilib.stieama.ac.id/repository/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/minecraft-font-free_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-hack-2021-apk_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-spins-and-coins-com_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/bloxbux-free-robux_GM431946152.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/how-to-use-wurst_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/mcpe-master-hack-coins_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/minecraft-ios-mods_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-gold-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/free-tiktok-followers-generator_GM835599320.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-mod-version-free-download-v344_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/minecraft-free-online_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-game-hack-link_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-hack-app-for-iphone_GM406889139.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
    • https://digilib.stieama.ac.id/repository/coin-master-hack-iphone_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
stream_004_off00004f90.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F90 23992 bytes
SHA-256: cdfd114a35ad9ac97dabe5d6d4296534f404b565e41d982355958f4bca72eacd
font_01_sfnt_off00008630.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8630 18056 bytes
SHA-256: 2c915f38770e083062bc98f9a3714c418532e4445745be163775e18eb12194f3

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