Malicious PDF — malware analysis report

Static analysis result for SHA-256 d08e1be7989932cf…

MALICIOUS

PDF

36.2 KB Created: 2021-05-14 09:30:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1ee1a57113e10ca0d2dbf382f0abb4ee SHA-1: 70b61af359396c1b32206ab856dc924e2e927695 SHA-256: d08e1be7989932cf03da988e90b78414c16eea2e9b33af5c0c723f4fc68f99e7
170 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a game hack lure, impersonating Amazon and linking to a known malicious redirector. The document body explicitly contains the lure text 'How Can I Get Free Robux' and a call to action to access a generator. The embedded URL is the primary indicator of malicious intent, likely leading to credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0283

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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.xyz/app/431946152/how-can-i-get-free-robux-game-hack.
  • 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/how-can-i-get-free-robux-game-hack In 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_off000033cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33CF 24444 bytes
SHA-256: 3e5dba9b9f1f6f9109db5bf8a55502ea13c54b8667a0544263ec4e99cb0407c5
font_01_sfnt_off00006b8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B8A 18512 bytes
SHA-256: 69cba7171cc96811b03769255314e8880e2b1f1f28661a6eda79c3c7ec8a929e

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