Malicious PDF — malware analysis report

Static analysis result for SHA-256 adb1314debfcc100…

MALICIOUS

PDF

46.8 KB Created: 2021-05-14 12:55:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: d9935ec8eacd19d980e090ee017fa452 SHA-1: b6f349e5b1425ee9ce77b256098e72bf120c6ca6 SHA-256: adb1314debfcc100d3217a052d0aa46fac1a1449112d2efb6b1e92541a733274
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of external links, many of which point to game-related hack and cheat websites. The presence of a download button lure and the ML classifier's high confidence score indicate a malicious intent to direct users to potentially harmful content. The document's structure suggests it is part of a link farm designed to attract users searching for game exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/431946152/roblox-website-robux-game-hack PDF link annotation
    • https://verstricktundzugenaeht.com/images/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-games-download-free_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-hack-tool-exe_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/moon-static-coin-master-generator-hacks-free_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/create-minecraft-server-free_GM479516143.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-game-android-free-download_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-cards-free-cards_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/free-mods-for-coin-master_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/free-roblox-templates_GM431946152.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-hack-online-without-human-verification_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/windows-10-minecraft-free-with-java_GM479516143.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-app-for-free-spins_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/google-roblox-games_GM431946152.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coin-master-free-coins--spins_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/www-coinmaster-com_GM406889139.pdfIn PDF document text
    • https://verstricktundzugenaeht.com/images/coinmaster-spin-ml-link_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_003_off0000494f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x494F 26652 bytes
SHA-256: 92897e83a669b03c4cc45f56de1802ccd7b5cb867c6053f0bfa052958a9b187e
font_01_sfnt_off00008738.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8738 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off0000944a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x944A 18348 bytes
SHA-256: cc91b2fc9b75ec06329357e94e6432728e351a563ac2c83234cad17065899ff2

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