Malicious PDF — malware analysis report

Static analysis result for SHA-256 d69b557eb4fa5845…

MALICIOUS

PDF

35.3 KB Created: 2021-06-30 08:23:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 2914a71df4aeca3e114c94fbcff7497a SHA-1: 10d7cfabddb81ec69af1f31b3f6a0182bb949988 SHA-256: d69b557eb4fa584598364d7d1cf620e65216e54e43493c6d5b981a4916d5a312
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-2021-youtube-game-hack PDF link annotation
    • https://sensorcamera-tw.com/upload/files/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/roblox-free-exploits-v3rmillion_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-bedrock-minecraft_GM479516143.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/how-to-hack-murder-mystery-roblox_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-unbanned-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/all-roblox-gamepasses-for-free_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/blackberry-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/how-to-get-free-robux-without-email_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/roblox-free-item-codes_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/roblox-hack-de-dragon-ball-rage_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/roblox-com-free_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/create-minecraft-server-free_GM479516143.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-robux-site_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-robux-com_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/minecraft-servers-that-allow-hacks_GM479516143.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_off0000306f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x306F 22776 bytes
SHA-256: 85f6b0caad71d7872d66df6bc75379e2361e47cfb578bf1a8810b05b0cc4f5d2
font_01_sfnt_off0000636d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x636D 19548 bytes
SHA-256: a061223f0ce87793e12c0a694a931488c6650e3c60682b541870f0202f3cb072

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