PDF static analysis report

Static analysis result for SHA-256 20b2203c4c921633…

SUSPICIOUS

PDF

33.3 KB Created: 2021-07-22 04:28:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: b75aca63ded5d9765734b09156ec5d5c SHA-1: 15ffbf5cd5f1fdc265e5d216fe821a887c32b5b6 SHA-256: 20b2203c4c921633a2bbeb61eb2a613474767489fb38c2e3c11e8d783e34ef11
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL and text that mimics a game download lure, directing users to 'http://netcdn.tw/app/479516143/free-games-like-minecraft-game-hack'. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple related URLs suggests a phishing or malware distribution campaign. No scripts were extracted, but the document structure and embedded URLs indicate a likely attempt to trick users into downloading a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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 http://netcdn.tw/app/479516143/free-games-like-minecraft-game-hack PDF link annotation
    • https://infocorrosion.com/images/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
    • https://infocorrosion.com/images/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • https://infocorrosion.com/images/how-to-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://infocorrosion.com/images/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
    • https://infocorrosion.com/images/free-robux-accounts_GM431946152.pdfIn PDF document text
    • https://infocorrosion.com/images/free-robux-cards_GM431946152.pdfIn PDF document text
    • https://infocorrosion.com/images/get-free-tiktok-followers_GM835599320.pdfIn PDF document text
    • https://infocorrosion.com/images/free-robux-no-offers_GM431946152.pdfIn PDF document text
    • https://infocorrosion.com/images/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • https://infocorrosion.com/images/minecraft-free-computer-game_GM479516143.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
font_00_sfnt_off00002df6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DF6 22896 bytes
SHA-256: 906ea15ef23140682bbbdd1e51ed1aa6f575ec37bc17c52df8a9eccf415abbeb
font_01_sfnt_off00006127.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6127 17996 bytes
SHA-256: 6316af01e653c53aa8313e9ee065e63d320a9dd1c98e4ac08eccbec55cd1c79a

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