Malicious PDF — malware analysis report

Static analysis result for SHA-256 80bd89127863b6f2…

MALICIOUS

PDF

37.9 KB Created: 2021-05-25 08:00:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: d19acdf149ec924f67e4cdaedf06f7b2 SHA-1: ffad8e5ba2d117f1831bc841b40c1864e4b1fc16 SHA-256: 80bd89127863b6f203b922c2aef3a99259235d27805905cff7d9b3e93a7e1c0d
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple heuristics indicating it is a lure for game hacks and redirects to known malicious infrastructure. The embedded URL 'https://netcdn.xyz/app/479516143/how-to-get-minecraft-dungeons-for-free-game-hack' is flagged as malicious. Although no scripts were explicitly extracted, the PDF structure and the nature of the lure suggest an attempt to lead the user to a malicious website, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0076

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-dungeons-for-free-game-hack In 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_002_off00002f7e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2F7E 25048 bytes
SHA-256: f67cb1ddecbf2c16895fc7f00845b759e0e111836fa952981fa9435ac5f118d5
font_01_sfnt_off00006825.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6825 2912 bytes
SHA-256: 02b35010e2614e3cc95ac6414c49295350c91fdfcc4b4cad27ffdbc10e80df7f
font_02_sfnt_off00007222.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7222 18472 bytes
SHA-256: 65ee82f26cafa7906902f4dbf8f4098f0781a130d3f16ad2d63d9ccc83542dd0

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