Malicious PDF — malware analysis report

Static analysis result for SHA-256 06d67238947285f4…

MALICIOUS

PDF

38.0 KB Created: 2021-05-22 06:05:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 3785760be805c5ed65f6b8d32a27350c SHA-1: d056d6ad52136657bdeec79d53fefaf62f4f4c3d SHA-256: 06d67238947285f4d641cb3ec3f04090470248ed755e4d0673b37ac7f99e3abf
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7010

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/835599320/how-to-get-free-tiktok-followers-game-hack PDF link annotation
    • http://razredna-nastava.net/files/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://razredna-nastava.net/files/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
    • https://razredna-nastava.net/files/roblox-free-login_GM431946152.pdfIn PDF document text
    • https://razredna-nastava.net/files/free-robux-app_GM431946152.pdfIn PDF document text
    • https://razredna-nastava.net/files/free-robux-stream_GM431946152.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_002_off000032dc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32DC 24316 bytes
SHA-256: a191133a07840699d701416a1ff6003aa30aab790887c82334583ef4ccf2ec2b
font_01_sfnt_off00006aac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AAC 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off000074bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74BC 17692 bytes
SHA-256: efb7503bfa77ecc57b32614c06d9641da1723dd074a5c375bb93bdb3ea7f449b

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