Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c2ef3c2c2ed9074…

MALICIOUS

PDF

41.4 KB Created: 2021-04-25 09:28:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 34bc9822262be5ddebbb3f2fdf3956ce SHA-1: 2c06e4e052db4529f26e4015ce2b4b8e085ff7a5 SHA-256: 1c2ef3c2c2ed9074aa0fb62dab155c9e3da5c23fb0377800eb4ed0990cb250fc
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a call-to-action to access a "Roblox Free Purple Hat Generator". The heuristic firings indicate this is a lure for a game hack, likely leading to a malicious website or download. The document body and embedded URLs suggest a social engineering tactic to trick users into clicking malicious links, potentially for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

Heuristics 5

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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.xyz/app/431946152/roblox-free-purple-hat-game-hack PDF link annotation
    • http://perpustakaan.uf.ac.id/opac/repository/how-to-intsall-roblox-hacks.pdfIn PDF document text
    • http://perpustakaan.uf.ac.id/opac/repository/get-free-robux-generator-2021.pdfIn PDF document text
    • http://perpustakaan.uf.ac.id/opac/repository/free-roblox-accounts-with-lifetime-obc-2021.pdfIn PDF document text
    • http://perpustakaan.uf.ac.id/opac/repository/how-to-get-free-roblox-codes-2021-may.pdfIn PDF document text
    • http://perpustakaan.uf.ac.id/opac/repository/wahoo-gaming-co-free-robux.pdfIn PDF document text
    • http://perpustakaan.uf.ac.id/opac/repository/how-to-get-animation-packs-for-free-on-roblox.pdfIn PDF document text
    • http://perpustakaan.uf.ac.id/opac/repository/roblox-free-robux-codes-2021.pdfIn PDF document text
    • http://perpustakaan.uf.ac.id/opac/repository/hack-roblox-items.pdfIn PDF document text
    • http://perpustakaan.uf.ac.id/opac/repository/roblox-free-black-shirt.pdfIn PDF document text
    • http://perpustakaan.uf.ac.id/opac/repository/roblox-my-hero-academia-online-quirk-hack.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
stream_003_off0000432b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x432B 25856 bytes
SHA-256: da2efcac8cf13745bd27a170f65ba24c7808e35f217ba8bf7ec6a820063527f4
font_01_sfnt_off00007e8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E8D 18752 bytes
SHA-256: c4e86affc7a22e135d162c071f468211d42a89e9c402ba6aac7a7e7688dbb407

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