Malicious PDF — malware analysis report

Static analysis result for SHA-256 69bd2895750ac83d…

MALICIOUS

PDF

33.4 KB Created: 2021-06-30 17:47:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: deb92e69ddfe388c9ad4ca2e670dc435 SHA-1: bdf4d165e7ace00bbf7a23f50a8e67a2d7c049da SHA-256: 69bd2895750ac83d28e61a8f80ac4d171be0fce67a95bcd05e4c49f42accea91
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/bots-hacker-en-roblox-game-hack PDF link annotation
    • http://sellitafrica.com/media/storage/editor/files/coin-master-club-hack_GM406889139.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/roblox-hack-2021-legit-yt_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/free-roblox-animations_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/hacking-in-roblox-greenvillebeta_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/roblox-free-play_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/coin-master-400-spin-link_GM406889139.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/minecraft-online-free-download_GM479516143.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/how-to-get-800-robux-for-free_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/free-robux-giveaway-2021-dot-tk_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/how-to-get-minecraft-for-free-on-ps4-2021_GM479516143.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/how-to-get-free-robux-in-roblox-on-iphone_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/how-to-get-free-robux-inspect_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/how-can-you-get-robux_GM431946152.pdfIn PDF document text
    • http://sellitafrica.com/media/storage/editor/files/coin-master-spin-hack_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
font_00_sfnt_off00002fb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FB9 21192 bytes
SHA-256: 7189bba3508e91d55656ab25739563627ff9f8aef0b9da41d17206d75e20db1c
font_01_sfnt_off00005ded.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DED 18760 bytes
SHA-256: 692b82e3c7acd1bd4af8112d733f7e5882f022689c1f1901ce255e707725405b

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