Malicious PDF — malware analysis report

Static analysis result for SHA-256 75e352d0899b84d4…

MALICIOUS

PDF

38.2 KB Created: 2021-05-13 10:46:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 86e4cc88e45599532abe242d4b1b38bc SHA-1: ee5f3aace042a40d9e7b5fa02353008117e0d28f SHA-256: 75e352d0899b84d4f4ef3b75d0261ee382b5182dd5e8e8576dee52c0bf1e6e7d
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'Robux' and 'game hacks', directing users to a malicious URL. This URL is flagged as a known malicious redirector, indicating an attempt to lead the user to a malicious site or download. The document body, though heavily obfuscated, contains references to the malicious URL and a call-to-action phrase, reinforcing the phishing or malware distribution intent.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

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 https://netcdn.xyz/app/431946152/robux-today-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
stream_003_off000034c3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x34C3 26860 bytes
SHA-256: 05a52ac27d7a4c99558009389e760d959717c0969b7f82df05d86a77da84257b
font_01_sfnt_off00007376.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7376 18432 bytes
SHA-256: 959daec5ee9bc3c71d76c0b44e5e7b2fade628e041cf04f050b5917282f814df