Malicious PDF — malware analysis report

Static analysis result for SHA-256 400499c39b7985da…

MALICIOUS

PDF

38.4 KB Created: 2021-04-22 16:10:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 30447cd255dcd7924fdafa78b3f942de SHA-1: d95d28d8e0352d3cb8667f16c683eef7fc5fe8d2 SHA-256: 400499c39b7985da2ca5cc5aef5ff821c279c664273912a73ce2b1333f0106b8
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 0.9408

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://netsecure.pro/app/431946152/hacks-da-hood-roblox-game-hack PDF link annotation
    • http://ordineingsa.it/images/free-roblox-exploits-v3rmillion.pdfIn PDF document text
    • http://ordineingsa.it/images/hack-roblox-exploit.pdfIn PDF document text
    • http://ordineingsa.it/images/roblox-robux-hack-2021-december.pdfIn PDF document text
    • http://ordineingsa.it/images/how-to-get-1-million-robux-for-free-2021.pdfIn PDF document text
    • http://ordineingsa.it/images/how-to-get-free-stuff-on-roblox-that-cost-robux.pdfIn PDF document text
    • https://freerobux.cyouIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003b1f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3B1F 24604 bytes
SHA-256: 3b0b76fa843608a4813c8b429a913c9aa2bc94eebc1c02f4263a3687e66f9a35
font_01_sfnt_off000073a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73A7 18524 bytes
SHA-256: 294cfc1e875f6467de2a725d7ce06ca2be961ef1aaf2218340d51f925473e666

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