Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ba730b488b1b341…

MALICIOUS

PDF

38.5 KB Created: 2021-05-20 12:44:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2b307778b81ebb467eb2639820c3a7c1 SHA-1: e5861e71b0a1bbba102633ebd70d1c8ed659e8e0 SHA-256: 6ba730b488b1b341f0135d8b2a6f855e5954073803c631fe7c2bfa957aaf2c06
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a game hack lure, linking to a known malicious redirector. The embedded URL and document body text reinforce this lure, aiming to trick users into visiting a potentially harmful website. No scripts were extracted from this sample, but the primary attack vector is the malicious link.

Machine Learning

  • Nyx PDF Classifier clean score 0.0134

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-arsenal-hacks-download-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_off00003135.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3135 24612 bytes
SHA-256: 3fcd3027a7b6a62e372960ab69d1c46c77af3670bc25fd024b04398afa1a2616
font_01_sfnt_off000069a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69A9 2912 bytes
SHA-256: 02b35010e2614e3cc95ac6414c49295350c91fdfcc4b4cad27ffdbc10e80df7f
font_02_sfnt_off000073a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73A6 18688 bytes
SHA-256: 3194e743087210276cc8ef30afa20718d77c17967e4a232ddce90cfa751f40c3

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