PDF static analysis report

Static analysis result for SHA-256 aa5a2578492282dd…

SUSPICIOUS

PDF

41.6 KB Created: 2021-05-15 06:10:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 4d91a5b6af94680e8b7a252f580675c8 SHA-1: c4633f179cfaf981a2bd7d5df6abe1370fe85cc6 SHA-256: aa5a2578492282dd38accc59ac64b46d2f2bec7e76344d38f38acfc75719078e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a visual download lure, strongly suggesting it is designed to trick users into downloading further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The document body and extracted URLs point towards a scam related to game hacks and in-game currency.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • 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/coin-master-hack-iosgods-game-hack PDF link annotation
    • http://huounaixunghe.com/images/coin-master-free-spin-generator-without-human-verification_GM406889139.pdfIn PDF document text
    • http://huounaixunghe.com/images/free-coins-and-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://huounaixunghe.com/images/rbxoffers-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/coin-master-free-spins-for-iphone_GM406889139.pdfIn PDF document text
    • http://huounaixunghe.com/images/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/how-to-get-free-clothes-on-roblox_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/how-to-get-free-daily-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://huounaixunghe.com/images/krnl-roblox_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://huounaixunghe.com/images/coin-master-hack-root_GM406889139.pdfIn PDF document text
    • http://huounaixunghe.com/images/rbx-land-free-robux_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/coin-master-game-free-spin-download_GM406889139.pdfIn PDF document text
    • http://huounaixunghe.com/images/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
    • http://huounaixunghe.com/images/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://huounaixunghe.com/images/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://huounaixunghe.com/images/free-coin-and-spin-in-coin-master_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000486e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x486E 24704 bytes
SHA-256: 66ea319dfb9c6af19fb9d4850810c6d8cbfbd539e42acda3c20879c560ed11e3
font_01_sfnt_off0000802d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x802D 18180 bytes
SHA-256: 470019128724557eed5cdbbca4e1cfbc835048835c82b73f9e4894d490346f9e

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