Malicious PDF — malware analysis report

Static analysis result for SHA-256 465227bddd727fe7…

MALICIOUS

PDF

35.6 KB Created: 2021-05-24 00:34:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 8480e7dba679a0c24c9e3bc24b1ca3d1 SHA-1: 1da5a791dcbc41b5109e0abbe2ee16caf3e4d4a4 SHA-256: 465227bddd727fe751f5273129a806f6dfa604b66f8c68cae584ce9484d14fe9
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 0.9492

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/406889139/free-coin-master-links-game-hack PDF link annotation
    • http://mypizzaoven.com/images/hack-coin-master-online-without-human-verification_GM406889139.pdfIn PDF document text
    • http://mypizzaoven.com/images/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://mypizzaoven.com/images/hack-coin-master-apk-mod_GM406889139.pdfIn PDF document text
    • http://mypizzaoven.com/images/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://mypizzaoven.com/images/free-robux-roblox-promo-codes_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003273.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3273 24684 bytes
SHA-256: 223935e1455e230f25adaa14e4acbcbb9329272e8d2ea64e13a13204c3be0874
font_01_sfnt_off00006b2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B2A 17880 bytes
SHA-256: dfe41e252eeea42f6a4072e9595d4435e06b86b6ad2d398cb4b971b8bcb02477

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