PDF static analysis report

Static analysis result for SHA-256 51c1d479709c5e1c…

SUSPICIOUS

PDF

31.5 KB Created: 2021-07-21 03:52:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 8c56ed54f4ae853da42caac928b98baa SHA-1: 56bc861279a425e1b168f54b67d383bf11c1d4a9 SHA-256: 51c1d479709c5e1c38cef0980a20ba260fc475c1ce8101336322f5b65f20cbdd
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs and a call-to-action phrase, strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious. The primary lure appears to be related to 'free Robux' or game hacks, directing users to potentially malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9893

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/431946152/free-promo-codes-for-robux-game-hack PDF link annotation
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/minecraft-bedrock-server-hosting-free_GM479516143.pdfIn PDF document text
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • http://pjj.mtsntpi.my.id/__statics/gudangsoal/files/free-robux-co_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
font_00_sfnt_off0000277d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x277D 21824 bytes
SHA-256: 5485f37f0bd56ba8c2673f23bc41654b8679f186a28641ca53e1643f1298448d
font_01_sfnt_off000057ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57AE 18788 bytes
SHA-256: ab75ffe9be872e4c1bc2197683357fdf07206899b5fb4b8ac8af9ce0fbddbc1b

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