Malicious PDF — malware analysis report

Static analysis result for SHA-256 4403118ad9375f14…

MALICIOUS

PDF

45.4 KB Created: 2021-05-13 19:16:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: fe3e3a4e63ab860e647f3168d982743b SHA-1: 0b88ddcac7ac2dd5d096a6306fc7271d72342e3c SHA-256: 4403118ad9375f1408221c1ae49e9506cea53de40397bea21ac89a2b7dd779a1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links, including a prominent one to 'play-minecraft-for-free-game-hack'. The presence of heuristics like 'PDF_GAME_HACK_REDIRECT_LURE' and 'ML_NYX_PDF_MALICIOUS' strongly suggests a malicious intent to redirect users to potentially harmful sites. Although no scripts were explicitly extracted, the document's structure and embedded URLs indicate it's designed as a lure for scams or malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

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/play-minecraft-for-free-game-hack PDF link annotation
    • http://reisebild.eu/images/roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://reisebild.eu/images/game-give-free-robux_GM431946152.pdfIn PDF document text
    • http://reisebild.eu/images/free-robux-site_GM431946152.pdfIn PDF document text
    • http://reisebild.eu/images/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/coin-master-free-spins--spins_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://reisebild.eu/images/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • http://reisebild.eu/images/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://reisebild.eu/images/how-to-get-free-snacks-in-coin-master_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://reisebild.eu/images/coin-mster-free_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/coin-master-free-spins-bit-ly_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/free-spin-and-coin-blogspot_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/online-hacking-tricks-coin-master_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/earn-robux-online_GM431946152.pdfIn PDF document text
    • http://reisebild.eu/images/coin-master-hack-spins_GM406889139.pdfIn PDF document text
    • http://reisebild.eu/images/how-to-make-free-robux_GM431946152.pdfIn PDF document text
    • http://reisebild.eu/images/free-spin-coin-master-2021_GM406889139.pdfIn 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_off00004caa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CAA 25168 bytes
SHA-256: 74152b4e4bae58691432d16b82b9adc37e0053f478b46ad47c2d4df4b5185e9f
font_01_sfnt_off00008587.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8587 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00008f97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F97 18116 bytes
SHA-256: 58506b39f0592aa293a22e76cdd5d8324130a94bf097dc81d26ff216ea8060f4

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