Malicious PDF — malware analysis report

Static analysis result for SHA-256 94ead4702187c719…

MALICIOUS

PDF

33.9 KB Created: 2021-06-21 02:01:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: f5409c2a4a179543aa2c1bc9c6c78716 SHA-1: 0881d73637a90fc3247678f753663f77032a35c3 SHA-256: 94ead4702187c719ebb4ae857a424c8d5dfcc429f4ae92a4b82c8be359a8b070
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/android-hacks-roblox-game-hack PDF link annotation
    • http://alexanderautos.co/images/free-exploits-for-roblox_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/free-2021-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/free-role-in-coin-master_GM406889139.pdfIn PDF document text
    • http://alexanderautos.co/images/free-roblox-game-card-pins_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/coin-master-online-hack_GM406889139.pdfIn PDF document text
    • http://alexanderautos.co/images/hack-version-of-the-game-apk-roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/how-to-get-minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • http://alexanderautos.co/images/roblox-jailbreak-redboy-hack_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/rbx-claim_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/coin-master-hacks-for-iphone_GM406889139.pdfIn PDF document text
    • http://alexanderautos.co/images/discord-roblox-cheat_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/roblox-official-free-robux_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/unlock-my-games-free-robux_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/how-to-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://alexanderautos.co/images/downtown-rp-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/how-to-get-roblox-gift-cards-for-free-2021_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • http://alexanderautos.co/images/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://alexanderautos.co/images/how-to-hack-knife-simulator-roblox_GM431946152.pdfIn PDF document text
    • http://alexanderautos.co/images/roblox-jailbreak-hack-download_GM431946152.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_off00002dfc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DFC 22388 bytes
SHA-256: 49bcd7948a4b4bcdd0ee6a80b7b7ce4b5de335790f15abe7fbeba6fc893803b3
font_01_sfnt_off00005f9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F9C 18952 bytes
SHA-256: a7b23829667d40bd5e0fc3825245753721ce9cdf147e17e45e69c9e269be61b3

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