Malicious PDF — malware analysis report

Static analysis result for SHA-256 a07f400c645522cb…

MALICIOUS

PDF

41.9 KB Created: 2021-04-25 23:40:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 3d3e523bbbe2510fb474d6a71682e342 SHA-1: 17ec4c7d598857f4693a7894f0b6aeb2cee2eade SHA-256: a07f400c645522cb03ed3be7d55270b3832f0e76364854a92a6d4c4f622e4ae1
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/roblox-free-hack-download-game-hack PDF link annotation
    • http://www.abilityireland.com/uploaded_files/userfiles/files/free-roblox-promo-codes-2021-may.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/roblox-hack-tool-download-no-survey.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/how-to-get-free-t-shirt-in-roblox.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/how-to-hack-someone-password-on-roblox.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/pastebin-hack-robux-fast.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/earn-robux-free-surveys.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/cheat-tembus-roblox-jailbreak-2021.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/free-robux-hack-on-laptop-july-2021.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/top-10-mejores-hacks-para-roblox.pdfIn PDF document text
    • http://www.abilityireland.com/uploaded_files/userfiles/files/roblox-asset-downloader-free.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_off000041fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x41FD 27228 bytes
SHA-256: 85d721c18676c0962a38068757e1bbd2628f27129ae26a67ce2e8bd5b61797f1
font_01_sfnt_off00008043.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8043 18852 bytes
SHA-256: 049000ab56f597d31e7d81245f9e89652d921e3a4d9da18876184f9bc616e39b

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