Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccc31504363b790b…

MALICIOUS

PDF

32.2 KB Created: 2021-07-19 00:54:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: a621f5692fb96fc639ec17c1bb1aee88 SHA-1: 6ca69c075dffa770da773603835b37692c22ec0d SHA-256: ccc31504363b790b8c4b1a1c0857e227602268b9bd71b43b1ab9b47379be83ef
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 0.9496

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.tw/app/406889139/free-spins-coin-master-links-game-hack PDF link annotation
    • http://www.fluidtech.hu/images/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • http://www.fluidtech.hu/images/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
    • http://www.fluidtech.hu/images/free-minecraft-accounts-2021_GM479516143.pdfIn PDF document text
    • http://www.fluidtech.hu/images/roblox36com-free-robux_GM431946152.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_off000029a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29A9 22932 bytes
SHA-256: ccd767534f9425d62059da1753242281d6581316fd5dea606989e461ebebd2bf
font_01_sfnt_off00005ccc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CCC 18056 bytes
SHA-256: 07f1a9832fff0ce02b8ea8bcbd6448fb7022c7ac6c85a00fb5b887865844234a

Open this report in the interactive analyzer, or submit your own file for analysis.