Malicious PDF — malware analysis report

Static analysis result for SHA-256 01191c2af1163c80…

MALICIOUS

PDF

38.6 KB Created: 2021-05-12 07:10:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d0c4d149eb52d61884698ac0e0ba110e SHA-1: 2d135591409847ab55e6605bb4ba10174832d39e SHA-256: 01191c2af1163c80082594e0bc35b53eb82220044be32675aae5b126c3009469
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'Free 100 Robux' and embeds a link to a known malicious redirector. This redirector is designed to lead users to potentially harmful websites, likely for further exploitation or credential harvesting. The document's content and embedded URL strongly suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

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/free-100-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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003237.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3237 25008 bytes
SHA-256: 3182356ecd7ef1e5b9e5ba00d36f4999dd34f2539939b87f5714182b2f109525
font_01_sfnt_off00006b70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B70 2824 bytes
SHA-256: 94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4
font_02_sfnt_off0000751e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x751E 18292 bytes
SHA-256: ade71c57547996cc2793a44f7be3e933a3a5664d4c8f362da863e6c031d51f12

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