Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc2273ab64edbeec…

MALICIOUS

PDF

26.7 KB Created: 2021-05-11 23:17:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 780ad23ed4c294ff7a2d8159319001aa SHA-1: a5c3b2ee0bf09455ea6e871680f0fa5809388fd0 SHA-256: bc2273ab64edbeecdfe7c47ba38505ba08f3a98a61ea9a9181a80b011b7e4cf4
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links pointing to a known malicious redirector infrastructure, disguised as a 'free generator / game hack'. The document body explicitly contains the phrase 'CLICK HERE TO ACCESS ROBLOX GENERATOR', reinforcing the lure. The embedded URL is the primary indicator of malicious intent, likely leading to further malware delivery or phishing.

Machine Learning

  • Nyx PDF Classifier clean score 0.0372

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/how-to-change-your-roblox-username-for-free-game-hack In 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
font_00_sfnt_off000011f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F2 22900 bytes
SHA-256: 24ef2d63f2226c556de9e1eca00b55c529e6da1480c5c829958a91a59a8e4ea7
font_01_sfnt_off0000449b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x449B 19128 bytes
SHA-256: e87b3eba1bbf23e44264955894eaf7810b559f7ac18b7723bbc619a03d5f6fa7

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