Malicious PDF — malware analysis report

Static analysis result for SHA-256 d48125e1d59349e3…

MALICIOUS

PDF

42.4 KB Created: 2021-05-03 10:54:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: de521d17ad0cc60b3c2635fc745ed459 SHA-1: 52d6cdfa7653a398f6bd1d5cf89c9ff2d53f9e8e SHA-256: d48125e1d59349e3f2344238c5a82debf4c66341d5ba81b9883b4ff51008ae29
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a call-to-action phrase ('CLICK HERE TO ACCESS ROBLOX GENERATOR') designed to trick users into visiting malicious websites. The primary lure is 'free Robux' or game hacks, a common social engineering tactic. The ML classifier also flagged this PDF as malicious, increasing confidence in its malicious intent.

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/free-robux-claim-your-reward-game-hack PDF link annotation
    • https://lib.stie-yai.ac.id/repository/how-to-hack-hair-in-roblox.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/jailbreak-robux-hack.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/mobilehacks4u-free-roblox.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-robux-generator-no-survey-no-download.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/free-script-exucuter-roblox.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-e-free.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-meep-city-free-games.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/roblox-anomaly-breach-cheats.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/bexggg-free-robux.pdfIn PDF document text
    • https://lib.stie-yai.ac.id/repository/hack-roblox-pastebin-com.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 2

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_off00003f49.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3F49 29416 bytes
SHA-256: 4662ab34364b5dc784b820537d72e6529dc36e481df96c372bf617b6175b250e
font_01_sfnt_off00008152.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8152 19196 bytes
SHA-256: 0a5c47aa4878678c2aa9a0fdb2a6da1c39990706c2977b691f701fe79648eff1

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