Malicious PDF — malware analysis report

Static analysis result for SHA-256 7324d468fe601fe9…

MALICIOUS

PDF

41.3 KB Created: 2021-04-25 19:21:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: af10edcf103000f62b7b4160fcf8e2fe SHA-1: 2769ad4573d6d8e3320de94bf2d85ee064c147b3 SHA-256: 7324d468fe601fe997e248f2549cb2537793f7e4e82698a56e6f575f7833ff58
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 0.9941

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 https://netcdn.xyz/app/431946152/hack-bee-swarm-simulator-roblox-game-hack PDF link annotation
    • http://srisaket.nfe.go.th/UserFiles/File/roblox-code-free-robux.pdfIn PDF document text
    • http://srisaket.nfe.go.th/UserFiles/File/redeem-roblox-cards-free-codes-2021.pdfIn PDF document text
    • http://srisaket.nfe.go.th/UserFiles/File/roblox-hack-robux-2021.pdfIn PDF document text
    • http://srisaket.nfe.go.th/UserFiles/File/how-to-fly-hack-in-roblox-jailbreak.pdfIn PDF document text
    • http://srisaket.nfe.go.th/UserFiles/File/how-to-fly-in-roblox-without-hacks.pdfIn PDF document text
    • http://srisaket.nfe.go.th/UserFiles/File/how-to-sell-clothes-for-free-on-roblox.pdfIn PDF document text
    • http://srisaket.nfe.go.th/UserFiles/File/how-to-get-free-admin-on-roblox-2021.pdfIn PDF document text
    • http://srisaket.nfe.go.th/UserFiles/File/free-roblox-chaser-codes.pdfIn PDF document text
    • http://srisaket.nfe.go.th/UserFiles/File/best-star-wars-maps-free-modeled-roblox.pdfIn PDF document text
    • http://srisaket.nfe.go.th/UserFiles/File/how-to-get-limitless-free-robux-unpatched.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 1

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_off00004374.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4374 25224 bytes
SHA-256: 16e71889b1d7508ecf84b10585841d33ec84738c45886105eeceb81b6cfe96c4
font_01_sfnt_off00007db7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DB7 18968 bytes
SHA-256: fd18d7cef0b8f493bb27060fcec17436a03ef59a74ef3eba51614891fef1f757

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