Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecb1240ad64e6ee3…

MALICIOUS

PDF

34.8 KB Created: 2021-06-25 21:41:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 4f13aa669eb61c3d5e4869857b7461b9 SHA-1: ee5963663474b619d891f3a640bb3c466fe1452f SHA-256: ecb1240ad64e6ee36c8805064acd783917a25339276ec790ec3385af96d164f8
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 0.9980

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 http://netcdn.co/app/431946152/how-to-get-free-robux-no-download-2021-game-hack PDF link annotation
    • https://mtsn4blitar.online/__statics/gudangsoal/files/minecraft-bedrock-hacks-windows-10_GM479516143.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/hackear-roblox-para-tener-robux_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/hack-the-coin-master-game_GM406889139.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/daily-coin-master-free-spin-apk_GM406889139.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/how-to-get-free-coins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/give-me-robux_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/how-to-get-free-robux-on-phone_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-cheat-engine-hack_GM406889139.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-hack-2021-ios-download_GM406889139.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/is-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/how-to-get-a-lot-of-robux_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/minecraft-free-exe_GM479516143.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-hack-cydia_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fa1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA1 22208 bytes
SHA-256: 0e38dbae822f8e856776a2efdf43a457b8c25d242e351d96e242ee4de5fcb916
font_01_sfnt_off00006075.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6075 19804 bytes
SHA-256: 261ff2efdec6dac3d9cfe6d870aa90a9c59a3982bb6b87b6a784bbe9a4651657

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