Malicious PDF — malware analysis report

Static analysis result for SHA-256 75d025613e98803b…

MALICIOUS

PDF

38.4 KB Created: 2021-05-20 13:30:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7e49054466f6ce70d3943d372b68681c SHA-1: 59bfd1114d672dbd4fc7fb10cbebdc702488b9f7 SHA-256: 75d025613e98803b0582dc9fe404ed170a7d20f3dd175aea4d408fb1ba2e7656
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains heuristics indicating it links to external websites, specifically a 'free generator / game hack' redirector. The document body and embedded URLs reinforce this, suggesting a lure to trick users into visiting malicious sites. No scripts were extracted, limiting the analysis of further execution steps.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9407

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/how-to-download-minecraft-for-free-on-windows-10-game-hack PDF link annotation
    • https://mtsn4blitar.online/__statics/gudangsoal/files/robuxglobalcom_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/free-roblox-clothes-for-your-avatar_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/free-roblox-clothes-and-hair_GM431946152.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/hack-crack-for-coin-master-currency_GM406889139.pdfIn PDF document text
    • https://mtsn4blitar.online/__statics/gudangsoal/files/coinmaster-spin-ml-free_GM406889139.pdfIn 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
stream_002_off00003327.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3327 28224 bytes
SHA-256: 84386e951518d520e13c97b46ffb3fd2fe36dc1f799dde4d6960c403af9d4679
font_01_sfnt_off00007363.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7363 18764 bytes
SHA-256: 9bdb117d767bc2a1616d4a29922a75f9c947f24666684502a0f0c13caa6f66a1

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