Malicious PDF — malware analysis report

Static analysis result for SHA-256 12c51c34576778ff…

MALICIOUS

PDF

42.2 KB Created: 2021-05-13 18:33:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7a66a59be356ec33b9a62694503a65f3 SHA-1: 7c4ab099eeed02c03b2966b275feeeba1fa1ec4c SHA-256: 12c51c34576778ff4fb703500c9dbed5931c48d5f44c8d682e802a0bec738b03
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a prominent call-to-action phrase, 'CLICK HERE TO ACCESS ROBLOX GENERATOR', designed to trick users into clicking on a URL associated with a 'Free Robux Hacker'. This URL redirects to known malicious infrastructure, indicating a phishing or scam attempt. The document's structure and content strongly suggest it is intended as a lure, likely delivered via spearphishing.

Machine Learning

  • Nyx PDF Classifier clean score 0.0125

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-robux-hacker-us-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_003_off0000342c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x342C 29876 bytes
SHA-256: 96c0ffb537b877040b8c158df851faf0beadb56407630081453310367bc96a09
font_01_sfnt_off000078de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78DE 2824 bytes
SHA-256: 94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4
font_02_sfnt_off0000828d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x828D 18600 bytes
SHA-256: be32b0f906764c1f2317decc7ac5a24a5975e1ace61028a3a9703984df87bb8b

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