PDF static analysis report

Static analysis result for SHA-256 ae67765d861fd193…

SUSPICIOUS

PDF

40.7 KB Created: 2021-05-17 16:42:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: f8dab442df36e915d5137227153e470b SHA-1: 22393f9627f79641b18835509c4ad12097862245 SHA-256: ae67765d861fd193e7e0a7c1985646714498667cac71431d4c8c45746b2da1d4
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic indicating it links to a 'free generator / game hack' redirector, which is a common lure for malicious content. The embedded URL, https://netcdn.xyz/app/479516143/best-free-minecraft-skins-game-hack, reinforces this. While no scripts were explicitly extracted, the PDF format can embed JavaScript, and the presence of external URLs suggests an attempt to redirect the user to a potentially harmful site. The document body contains garbled text, but the presence of the URL and the heuristic strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/best-free-minecraft-skins-game-hack PDF link annotation
    • https://sigmaclient.info#2In PDF document text
    • https://flux.today#3In PDF document text
    • https://www.youtIn 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_off0000339a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x339A 28676 bytes
SHA-256: c46b23ec941f7b8476abfad7077e6b140b5bd9e679e7a682a874b526d8188d97
font_01_sfnt_off000074ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74AC 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00007ebc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EBC 17952 bytes
SHA-256: 90e1a77296b834dd3535238b68d8e828a30bfd58102e774479de80706a00ebac

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