Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb73fa47d08b271c…

MALICIOUS

PDF

37.4 KB Created: 2021-05-21 01:22:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26
MD5: 96edb0e4aa22697cb1b27cf534848b84 SHA-1: 09b3a4ae79ff68d8acd849155be499e6dcd16da0 SHA-256: eb73fa47d08b271c227d8870567ead9231a6659f5d2f968218d3310123055574
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free generator / game hack' and embeds a link to known malicious redirector infrastructure. The document body, though partially corrupted, contains phrases like 'How To Get Minecraft For Free On Ps4' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the social engineering aspect. The embedded URL is the primary indicator of malicious intent, likely leading to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0739

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/479516143/how-to-get-minecraft-for-free-on-ps4-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_off00002e8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E8F 30472 bytes
SHA-256: 0bd18d5000abbb172e743623c429531961dc1530a10c0d990d05d89e44a2eab8
font_01_sfnt_off00007204.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7204 18088 bytes
SHA-256: 3c584cfdb2e84eddbd4369948c7cb3512903decb89ab4dae7c156f2377516814

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