Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f2aafd9c729983e…

MALICIOUS

PDF

27.6 KB Created: 2021-06-28 20:10:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f9d248b3432693b41e5cc1d47da0b6ed SHA-1: bbd9855276d46af6b415d435b34a0a545759811e SHA-256: 7f2aafd9c729983eca87a2c1402d9855253daac8d457f5f3924a0068ac970df5
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure for 'free Robux' and a prominent 'CLICK HERE TO ACCESS ROBUX GENERATOR' call to action. It embeds a link to a known malicious redirector infrastructure, which is highly suspicious. The document's content and embedded link strongly suggest a phishing or scam attempt designed to lead users to a malicious site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0374

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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.co/app/431946152/how-to-get-free-robux-ulimtamate-gamer-game-hack In 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
font_00_sfnt_off00001519.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1519 22452 bytes
SHA-256: afc7eced8e227c1ca378ca42b52595871196e19841b0317f575120eabc8cc579
font_01_sfnt_off00004721.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4721 19436 bytes
SHA-256: 88ca0539c5015d8cbdc5ffc000eafb00cfc860fe4861fedaafd4b9b560b480d4