Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e9dd55c98f6dfdd…

MALICIOUS

PDF

44.6 KB Created: 2021-06-09 14:37:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: d8a4e2e2619b3a6d267b88a5ccd77688 SHA-1: c82776b2b960e044b2b49a33d6c42fe741f5f353 SHA-256: 2e9dd55c98f6dfdd65dae370e0455a64328f058ea505f66bddaa02da840d8f63
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 0.9865

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.tw/app/431946152/best-free-clothes-creators-roblox-game-hack PDF link annotation
    • http://bassacctaxservices.com/images/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://bassacctaxservices.com/images/get-free-tiktok-likes_GM835599320.pdfIn PDF document text
    • http://bassacctaxservices.com/images/free-robux-apk_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/how-to-play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://bassacctaxservices.com/images/coin-master-free-spins-twitter_GM406889139.pdfIn PDF document text
    • http://bassacctaxservices.com/images/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • http://bassacctaxservices.com/images/free-24-7-minecraft-server_GM479516143.pdfIn PDF document text
    • http://bassacctaxservices.com/images/free-robux-on-phone-2021_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/how-to-get-free-tiktok-fans_GM835599320.pdfIn PDF document text
    • http://bassacctaxservices.com/images/coin-master-free-spins-apk_GM406889139.pdfIn PDF document text
    • http://bassacctaxservices.com/images/how-to-get-free-admin-commands-on-roblox_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • http://bassacctaxservices.com/images/free-robux-card-codes_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/earn-free-robux_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/how-to-get-free-hats-on-roblox_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/roblox-hack_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/free-minecraft-games-for-kids_GM479516143.pdfIn PDF document text
    • http://bassacctaxservices.com/images/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • http://bassacctaxservices.com/images/minecraft-xray-hack_GM479516143.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_off0000502b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x502B 25384 bytes
SHA-256: eedbbcb7194b70ee901f1e8ef2a29ce70ba0c201bc5c5435145d8f20d84f868b
font_01_sfnt_off00008b46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B46 18448 bytes
SHA-256: dd686399fa5beacff92a069b59f3433778b1419d447537e31f3abe5a8e822eee

Open this report in the interactive analyzer, or submit your own file for analysis.