Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e892ae6892bc28b…

MALICIOUS

PDF

38.6 KB Created: 2021-05-25 12:01:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 594f71b4b1ebb90937053e841c9e1c1f SHA-1: bff0ba87c115362a99c8ab68459be9362a9ea83f SHA-256: 7e892ae6892bc28bc5971bdad0ca58f2e3683db1ece9634979d1a7af17890904
170 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links to a redirector URL associated with 'game hacks' and 'free generators', presented alongside a fake CAPTCHA lure. This suggests an attempt to trick users into visiting a malicious site, likely to download further malware or engage in scams. The document body contains text related to 'Blox Land Free Robux' and a 'CLICK HERE TO ACCESS ROBLOX GENERATOR' call to action, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0134

Heuristics 5

  • 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.
  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/blox-land-free-robux-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002d68.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2D68 26340 bytes
SHA-256: 3523151cf3fa66aa7a324307b881441169c95673b595c83c366fd2030f611cb1
font_01_sfnt_off00006b64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B64 2852 bytes
SHA-256: e9630f3bb738ae3bc329a423cf069c8035d70ce2227e3557c42815f85ad3284f
font_02_sfnt_off00007526.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7526 18492 bytes
SHA-256: 43325585731fb5abef9629b4ee3027de7c41cdd34c16702b82f5d396e8a55598

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