Malicious PDF — malware analysis report

Static analysis result for SHA-256 006dee1f9a820ed4…

MALICIOUS

PDF

36.2 KB Created: 2021-05-12 06:01:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 563fefbd2e22da934278ee2c0317ae7e SHA-1: d4fb851b838dc24e1375d0b807ac6910b28d772a SHA-256: 006dee1f9a820ed42589ffd8be428ebbbd3c86deb570d031ff62497a5b1d64c4
92 Risk Score

Malware Insights

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

The PDF contains a prominent link disguised as a "free Minecraft generator" lure, which redirects to a suspicious URL. The 'SE_CLICKFIX' heuristic indicates the document likely instructs the user to execute a command, a common tactic to bypass security measures. The presence of embedded URLs and the nature of the lure suggest an attempt to trick the user into downloading or executing a malicious payload.

Machine Learning

  • Nyx PDF Classifier clean score 0.0302

Heuristics 5

  • 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.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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/free-minecraft-client-game-hack PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00003556.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3556 24968 bytes
SHA-256: 215c0eae1ec27cff7d78c457fed719dd3089a899cd41284882db202c7f99cd22
font_01_sfnt_off00006e3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E3F 17644 bytes
SHA-256: ce5b71cd939a97bbe405c9e475902c75b00f7b9e8e716883d10cd93b76626efe

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