Malicious PDF — malware analysis report

Static analysis result for SHA-256 92b30a9b151777cc…

MALICIOUS

PDF

35.8 KB Created: 2021-05-22 21:44:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: e11d47013b3d77ff2288142c17bcc6f3 SHA-1: aac0540b8a0683c24f6f153bb96a40f19a43ed9a SHA-256: 92b30a9b151777cc6c41f0c63ea5c09129d5372071d8e5d887f96ef9c29d9e70
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 0.9492

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/479516143/how-to-get-a-free-minecraft-account-game-hack PDF link annotation
    • http://asiasieja.pl/images/coin-master-hack-tool-download_GM406889139.pdfIn PDF document text
    • http://asiasieja.pl/images/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • http://asiasieja.pl/images/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
    • http://asiasieja.pl/images/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://asiasieja.pl/images/how-to-get-unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • https://discord.ggIn 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_002_off000032e0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32E0 24928 bytes
SHA-256: fa6c21a8a0fd0d304852ec2cf3210f042ad53250f729b0c58714810789c27421
font_01_sfnt_off00006b5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B5E 18016 bytes
SHA-256: 5a2a7e753a917a0c0776144ed208a5331958d262d8364954408ce80ee198d92a

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