Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3fd1d1f62c7c4cd…

MALICIOUS

PDF

37.8 KB Created: 2021-05-20 19:12:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 61c898f36ee59c173ffd586ac5cd808b SHA-1: ee6870329da299d5eb5db2776646601000ee1e07 SHA-256: e3fd1d1f62c7c4cd6cbbfcbcbf438641d0c5a1cae2585822fdafd08a46f9f3a9
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and generators. The document body explicitly mentions 'Roblox Free Hair Girl' and 'CLICK HERE TO ACCESS ROBLOX GENERATOR', reinforcing the lure. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9407

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/roblox-free-hair-girl-game-hack In PDF document text
    • http://berntfoto.dk/images/claim-free-robux_GM431946152.pdfIn PDF document text
    • http://berntfoto.dk/images/how-to-get-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • http://berntfoto.dk/images/coin-master-hack-game-download_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/master-free-spin_GM406889139.pdfIn PDF document text
    • http://berntfoto.dk/images/coin-master-daily-free-spins-hack_GM406889139.pdfIn 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_002_off0000313f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x313F 29568 bytes
SHA-256: ed661557be3de90a2d97c8a418393a4c550f001ff466df8a0edd7a0c44504be5
font_01_sfnt_off000072a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72A0 18296 bytes
SHA-256: 85bf76e8bd1c39b95a864efdae00349d5ffffd2e934a72b3fb989e9d72ccc849

Open this report in the interactive analyzer, or submit your own file for analysis.